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Can we apply Norton's theorem in an AC circuit?
asked
Mar 10, 2018
by
anonymous
Can we apply Norton's theorem in an AC circuit?
nortons
theorem
ac
circuit
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asked
Mar 10, 2018
by
anonymous
Can we apply the superposition theorem to AC circuit?
Can we apply the superposition theorem to AC circuit?
superposition
theorem
ac
circuit
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asked
Mar 10, 2018
by
anonymous
Can you apply Thevenin's theorem in an AC circuit?
Can you apply Thevenin's theorem in an AC circuit?
Last answer:
It can be applied to AC circuits
thevenins
theorem
ac
circuit
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Apr 26, 2018
by
anonymous
Norton’s theorem states that a complex network connected to a load can be replaced with an equivalent
Norton’s theorem states that a complex network connected to a load can be replaced with an equivalent impedance (A) in series with a current source (B) in parallel with a voltage source (C) in series with a voltage source (D) in parallel with a current source
Last answer:
in parallel qith current source
network
theorem
nortons
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2
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asked
Sep 6, 2018
by
anonymous
State maximum power transfer theorem for DC circuit.
State maximum power transfer theorem for DC circuit.
Last answer:
Maximum power transfer theorem for DC circuit: The maximum power transfer theorem states that the source or a network transfers maximum power to load only when the load resistance is equal ... removed (disconnected) ii) All internal independent sources are replaced by their internal resistances.
maximum
power
transfer
theorem
dc
circuit
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1
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asked
Mar 25, 2018
by
anonymous
In an AC. circuit, a low value of kVAR compared with kW indicates?
In an AC. circuit, a low value of kVAR compared with kW indicates?
Last answer:
In an AC. circuit, a low value of kVAR compared with kW indicates high power factor.
ac
circuit
low
value
kvar
compared
kw
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asked
Mar 25, 2018
by
anonymous
All the rules and laws of D.C. circuit also apply to A.C. circuit containing?
All the rules and laws of D.C. circuit also apply to A.C. circuit containing?
Last answer:
All the rules and laws of D.C. circuit also apply to A.C. circuit containing resistance only.
rules
laws
dc
circuit
ac
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asked
Mar 25, 2018
by
anonymous
Application of Norton's theorem to a circuit yields?
Application of Norton's theorem to a circuit yields?
Last answer:
Application of Norton's theorem to a circuit yields equivalent current source and impedance in series.
application
norton
theorem
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asked
Apr 29, 2018
by
anonymous
An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic
An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be (1) unaffected (2) decreased (3) increased (4) either decreased or increased depending on the direction of the DC field
Last answer:
An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be either decreased or increased depending on the direction of the DC field
unshielded
moving
iron
voltmeter
used
measure
voltage
ac
circuit
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asked
Dec 16, 2017
by
anonymous
What is the purpose of a capacitor in an AC circuit?
What is the purpose of a capacitor in an AC circuit?
Last answer:
Every AC supply is not ideal AC it contains DC component so to provide restriction to DC component in supply we have to use Capacitor
capacitor
ac
circuit
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asked
Jun 18, 2018
by
anonymous
An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to
An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V
Last answer:
An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V
ac
supply
half-wave
rectifier
circuit
transformer
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asked
Mar 25, 2018
by
anonymous
A parallel AC. circuit in resonance will?
A parallel AC. circuit in resonance will?
Last answer:
A parallel AC. circuit in resonance will have a high impedance.
parallel
ac
circuit
resonance
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asked
Mar 11, 2018
by
anonymous
Explain power in single phase AC circuit.
Explain power in single phase AC circuit.
power
single
phase
ac
circuit
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asked
Mar 25, 2018
by
anonymous
In an A.C. circuit power is dissipated in?
In an A.C. circuit power is dissipated in?
Last answer:
In an A.C. circuit power is dissipated in resistance only.
ac
circuit
power
dissipated
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asked
Mar 25, 2018
by
anonymous
The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is?
The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is?
Last answer:
The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 6 kVAR.
apparent
power
ac
circuit
kva
active
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asked
May 21, 2020
by
anonymous
Explain working of static AC circuit breaker.
Explain working of static AC circuit breaker.
Last answer:
Static AC Circuit breaker: The circuit configuration of static AC circuit breaker using SCR is shown in the figure. When switch S' is closed, the SCRs T1 and T2 are fired in positive ... non-availability of gate current. Thus the maximum time delay for breaking the circuit is one half-cycle.
working
static
ac
circuit
breaker
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asked
Oct 13, 2019
by
anonymous
Explain working of AC circuit breaker using SCR with circuit diagram.
Explain working of AC circuit breaker using SCR with circuit diagram.
Last answer:
AC Circuit Breaker: The circuit configuration of static AC circuit breaker using SCR is shown in the figure. When switch S' is closed, the SCRs T1 and T2 are fired in positive ... to non-availability of gate current. Thus the maximum time delay for breaking the circuit is one half-cycle.
working
ac
circuit
breaker
scr
diagram
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asked
Mar 25, 2018
by
anonymous
The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?
The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?
Last answer:
The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 32 kW.
ac
circuit
power
factor
lagging
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1
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asked
Mar 25, 2018
by
anonymous
In any A.C. circuit always?
In any A.C. circuit always?
Last answer:
In any A.C. circuit always apparent power is more than actual power.
ac
circuit
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96
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1
answer
asked
Sep 7, 2018
by
anonymous
Write the steps for finding the current through an element by Thevenin’s theorem.
Write the steps for finding the current through an element by Thevenin’s theorem.
Last answer:
Steps to find Thevenin's equivalent circuit, taking an example is as follows: 1. From the given circuit (fig.a),Remove RL from the terminals A and B and redraw the circuit as shown in ... (fig.d)from where it was temporarily removed earlier. Current flowing through RL is given by
steps
thevenins
theorem
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2
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asked
Mar 25, 2018
by
anonymous
Pure inductive circuit takes power from the A.C. line when?
Pure inductive circuit takes power from the A.C. line when?
Last answer:
It takes power when voltage decreases and current increases.
pure
inductive
circuit
power
ac
line
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2
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asked
Mar 25, 2018
by
anonymous
Superposition theorem can be applied only to circuits having?
Superposition theorem can be applied only to circuits having?
Last answer:
Superposition theorem can be applied only to circuits having linear bilateral elements.
superposition
theorem
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asked
Aug 19, 2019
by
anonymous
Why can't we store AC in batteries instead of DC ?
Why can't we store AC in batteries instead of DC ?
Last answer:
Because the direction of the current changes in AC electricity, you cannot directly store the power. Placing a capacitor in an AC circuit has no effect on the alternating flow of the electricity. The only ... is indirectly, by storing DC and then using a power inverter to convert the DC to AC.
batteries
store
ac
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3
answers
asked
Mar 11, 2018
by
anonymous
Why do we use AC current in our homes?
Why do we use AC current in our homes?
Last answer:
We used it for cooking rice, For washing clothes and for lights in the house.
use
ac
current
homes
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174
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3
answers
asked
Aug 15, 2019
by
anonymous
State the Thevenin’s theorem. Also write stepwise procedure for applying Thevenin’s theorem to simple circuits.
State the Thevenin’s theorem. Also write stepwise procedure for applying Thevenin’s theorem to simple circuits.
Last answer:
Thevenin's Theorem: Any two terminal circuit having number of linear impedance and sources (voltage, current, dependent, independent) can be represented by a simple equivalent circuit consisting of a single voltage ... 's equivalent circuit: Step V: Determination of Load current:
thevenin
theorem
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1
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asked
May 22, 2019
by
anonymous
Maximum Power Transfer Theorem 1
Maximum Power Transfer Theorem 1
Last answer:
Maximum Power Transfer Theorem 1
maximum
power
transfer
theorem
1
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72
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1
answer
asked
Sep 7, 2018
by
anonymous
State Thevenin’s Theorem.
State Thevenin’s Theorem.
Last answer:
Any two terminal circuit having number of linear impedances and sources (voltage, current, dependent, independent) can be represented by a simple equivalent circuit consisting of a single voltage ... circuit across the two terminals, when the sources are replaced by their internal impedances.
state
thevenin
theorem
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1
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asked
Sep 7, 2018
by
anonymous
State Superposition Theorem.
State Superposition Theorem.
Last answer:
Superposition Theorem: In any linear, bilateral, multisource network the voltage across or the current through any branch is given by algebraic sum of all individual voltages or currents caused ... sources acting alone with all other sources replaced by their internal resistances if any.
state
superposition
theorem
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59
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1
answer
asked
Sep 6, 2018
by
anonymous
State superposition theorem applied to D.C. circuits.
State superposition theorem applied to D.C. circuits.
Last answer:
Superposition Theorem applied to D.C. circuits: Superposition theorem states that in any linear, bilateral, multisource network, the response (voltage across any element or current through any ... each source acting alone, while the other sources are replaced by their internal resistances.
state
superposition
theorem
dc
circuits
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1
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asked
Mar 16, 2018
by
anonymous
The superposition theorem is based on the concept of ?
The superposition theorem is based on the concept of ?
Last answer:
The superposition theorem is based on the concept of Linearity.
superposition
theorem
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134
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1
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asked
Mar 10, 2018
by
anonymous
Why superposition theorem is not valid for power?
Why superposition theorem is not valid for power?
superposition
theorem
power
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94
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0
answers
asked
Jun 18, 2018
by
anonymous
As per Shannon’s channel capacity theorem, if samples are transmitted in ‘T’ seconds over a noisy channel
As per Shannon’s channel capacity theorem, if samples are transmitted in ‘T’ seconds over a noisy channel which is bandlimited to ‘B’ Hz. The number of samples ‘n’ is given by (symbols/notations carry their usual meaning) A) B/T B) T/B C) 2BT D) BT/2
Last answer:
As per Shannon’s channel capacity theorem, if samples are transmitted in ‘T’ seconds over a noisy channel which is bandlimited to ‘B’ Hz. The number of samples ‘n’ is given by ( ... /notations carry their usual meaning) A) B/T B) T/B C) 2BT D) BT/2
shannons
channel
capacity
theorem
transmitted
noisy
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1
answer
asked
Mar 25, 2018
by
anonymous
While calculating Rth in Thevenin's theorem and Norton equivalent?
While calculating Rth in Thevenin's theorem and Norton equivalent?
Last answer:
While calculating Rth in Thevenin's theorem and Norton equivalent all independent sources are made dead.
thevenin
theorem
norton
equivalent
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1
answer
asked
Mar 25, 2018
by
anonymous
In Thevenin's theorem, to find Z?
In Thevenin's theorem, to find Z?
Last answer:
In Thevenin's theorem, to find Z all independent voltage sources are short circuited and all independent current sources are open circuited.
thevenin
theorem
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136
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1
answer
asked
Apr 29, 2018
by
anonymous
A large AC generator, supplying power to an infinite bus, has a sudden short-circuit occurring at its terminals
A large AC generator, supplying power to an infinite bus, has a sudden short-circuit occurring at its terminals. Assuming the prime mover input and the voltage behind the transient reactance to remain constant immediately after the fault, acceleration of the generator rotor is
Last answer:
A large AC generator, supplying power to an infinite bus, has a sudden short-circuit occurring at its terminals. Assuming the prime mover input and the voltage behind the transient reactance ... , acceleration of the generator rotor is inversely proportional to the moment of inertia of the machine
large
ac
generator
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115
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1
answer
asked
Mar 21, 2018
by
anonymous
To avoid the effect of stray magnetic field in A.C. bridges we can use?
Last answer:
To avoid the effect of stray magnetic field in A.C. bridges we can use magnetic screening.
stray
magnetic
field
ac
bridges
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110
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1
answer
asked
May 1, 2018
by
anonymous
In an ac series RLC circuit, the voltage across R and L is 20 V; voltage across L and C is 9 V and voltage
In an ac series RLC circuit, the voltage across R and L is 20 V; voltage across L and C is 9 V and voltage across RLC is 15 V. What is the voltage across C?
Last answer:
In an ac series RLC circuit, the voltage across R and L is 20 V; voltage across L and C is 9 V and voltage across RLC is 15 V. What is the voltage across C? 7 V
series
rlc
circuit
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125
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1
answer
asked
May 1, 2018
by
anonymous
Millman's theorem yields equivalent
Millman's theorem yields equivalent (1) Impedance or Resistance (3) Voltage source (2) Current source (4) Voltage or Current source
Last answer:
Millman's theorem yields equivalent Voltage or Current source
millmans
theorem
equivalent
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259
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1
answer
asked
Apr 28, 2018
by
anonymous
Which of the following statements is incorrect ? (A) Superposition theorem is useful for Linear and Non-linear
Which of the following statements is incorrect ? (A) Superposition theorem is useful for Linear and Non-linear circuit analysis when several sources are present in the circuit. (B) Thevenin's equivalent network consists of one voltage source in series with an impedance. (C) Norton's equivalent network consists of ... . (D) When both the load and source impedances are purely resistive, maximum power transfer is achieved under the condition : Load Resistance = Source Resistance
Last answer:
Which of the following statements is incorrect ? (A) Superposition theorem is useful for Linear and Non-linear circuit analysis when several sources are present in the circuit. ... purely resistive, maximum power transfer is achieved under the condition : Load Resistance = Source Resistance
superposition
theorem
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1
answer
asked
Mar 25, 2018
by
anonymous
The superposition theorem requires as many circuits to be solved as there are?
The superposition theorem requires as many circuits to be solved as there are?
Last answer:
The superposition theorem requires as many circuits to be solved as there are sources.
superposition
theorem
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151
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1
answer
asked
Mar 25, 2018
by
anonymous
Millman's theorem yields?
Millman's theorem yields?
Last answer:
Millman's theorem yields equivalent voltage or current source.
millman
theorem
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65
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1
answer
asked
Mar 25, 2018
by
anonymous
The superposition theorem is applicable to?
The superposition theorem is applicable to?
Last answer:
The superposition theorem is applicable to linear responses only.
superposition
theorem
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93
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1
answer
asked
Mar 25, 2018
by
anonymous
The concept on which Superposition theorem is based is?
The concept on which Superposition theorem is based is?
Last answer:
The concept on which Superposition theorem is based is linearity.
superposition
theorem
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2.5k
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1
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asked
Mar 22, 2018
by
anonymous
According to Lami's theorem?
Last answer:
According to Lami's theorem if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two.
theorem
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1
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asked
Jun 29, 2019
by
anonymous
Is the power line voltage available in our homes a dc or an ac voltage?
Is the power line voltage available in our homes a dc or an ac voltage?
Last answer:
The power line voltage available in our homes is AC. Mobile dwellings are the most commonly DC-supplied homes and even then they tend to include AC supply for heavier loads.
is
the
power
line
voltage
available
in
our
homes
a
dc
or
an
ac
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1
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asked
Apr 29, 2018
by
anonymous
Which of the following motors can run on both AC and DC?
Which of the following motors can run on both AC and DC? A) Universal motor B) Dual wattage motor C) Flexible motor D) All the above
Last answer:
Which of the following motors can run on both AC and DC? A) Universal motor B) Dual wattage motor C) Flexible motor D) All the above
motors
ac
dc
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113
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1
answer
asked
May 17, 2020
by
anonymous
Briefly explain how the power factor of an inductive circuit can be improved.
Briefly explain how the power factor of an inductive circuit can be improved.
Last answer:
As we know that power factor should be corrected to ensure that the current supplied is cost friendly. Meaning the power factor should be around one but not greater than one(0.8-0.9) in a ... an inductive circuit due to the inductive reactance which oppose the change of current in the ac circuit.
power
factor
electrical
fundamental
circuit
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1
answer
asked
Jul 30, 2019
by
anonymous
Define : i) Average value ii) RMS value of an AC Wave.
Define : i) Average value ii) RMS value of an AC Wave.
Last answer:
i) Average value: The average value is defined as the average of all instantaneous values during one alternation . That is, the ratio of the sum of all considered instantaneous values to the ... as produced by the alternating current when flowing through the same resistance for the same time.
average
value
rms
ac
wave
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1
answer
asked
Mar 14, 2018
by
anonymous
Why does a transformer only work with an AC supply?
Why does a transformer only work with an AC supply?
Last answer:
The transformer work depends on the induction as main principle ,for that AC is the right means
transformer
only
work
ac
supply
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109
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3
answers
asked
Mar 14, 2018
by
anonymous
What is the direction of an AC current?
What is the direction of an AC current?
Last answer:
The magnitude and direction of alternating current is changes with respect to time. So for half cycle it is positive and for next half cycle it is negative.
direction
ac
current
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2
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asked
Apr 28, 2018
by
anonymous
In an adjustable speed ac drive which quantity gets reduced above rated speed ?
In an adjustable speed ac drive which quantity gets reduced above rated speed ? (A) developed torque (B) stator frequency (C) reduced starting torque (D) stator current
Last answer:
In an adjustable speed ac drive which quantity gets reduced above rated speed ? (A) developed torque (B) stator frequency (C) reduced starting torque (D) stator current
adjustable
speed
ac
drive
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