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Why superposition theorem is not valid for power?
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Mar 10, 2018
by
anonymous
Why superposition theorem is not valid for power?
superposition
theorem
power
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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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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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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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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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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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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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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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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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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
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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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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asked
May 21, 2019
by
anonymous
Superposition
Superposition
Last answer:
Superposition 1 : https://youtu.be/3C3daEzmtuM Superposition 2 : https://youtu.be/mURACJC2jAU Superposition 3 : https://youtu.be/nG715RGdsvk Superposition 4 : https://youtu.be/qCHpYc8tOUs ... Superposition 9 : https://youtu.be/8cA91sqz2AI Superposition 10 : https://youtu.be/2nYcmOtRmaY
superposition
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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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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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asked
Apr 10, 2018
by
anonymous
Superposition theorem stays valid for a : -
Superposition theorem stays valid for a : - a) LTI system b) Discrete system c) LT systems d) None of these
Last answer:
Superposition theorem stays valid for a : - LTI system
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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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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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asked
Mar 10, 2018
by
anonymous
Can we apply Norton's theorem in an AC circuit?
Can we apply Norton's theorem in an AC circuit?
nortons
theorem
ac
circuit
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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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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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1
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asked
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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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
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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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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
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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
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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asked
Aug 25, 2019
by
anonymous
Why is AC better for long distance power transmission than DC ?
Why is AC better for long distance power transmission than DC ?
Last answer:
ac is more economical to transmit for long distances . wires can be made smaller by step up transformer .. since major cost are wires to transmit .. then at the end of distance step down transformer is used for commercial use.
ac
long
distance
power
transmission
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4
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asked
Sep 22, 2017
by
anonymous
Why MOSFET is used for low power applications?
Last answer:
MOSFET have high current losses due to High on state resistance. Hence MOSFET is used for low power applications.
mosfet
applications
low
power
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1
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asked
May 29, 2018
by
anonymous
Superposition theorem is not applicable to network containing:
Superposition theorem is not applicable to network containing: (1) Non linear element (2) Dependent voltage source (3) Dependent current source (4) Transformer.
Last answer:
A
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2
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asked
Aug 25, 2019
by
anonymous
Why engine power is measured in horsepower (HP) ?
Why engine power is measured in horsepower (HP) ?
Last answer:
James Watt compared engine output with that of work done by a horse. WD by horse = 746W.
engine
power
horsepower
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2
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asked
Sep 6, 2018
by
anonymous
Explain the term reactive power. Why it is sometimes essential to measure reactive power?
Explain the term reactive power. Why it is sometimes essential to measure reactive power?
Last answer:
Reactive power: The reactive power (Q) is defined as the product of voltage(V), current (I) and sine of angle between voltage(V) and current( I) Therefore Reactive power Q = V I ... power so that corrective measures can be taken accordingly to maintain systems power factor near to the unity.
measure
reactive
power
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asked
Aug 18, 2019
by
anonymous
Why don't we burry power lines underground ?
Why don't we burry power lines underground ?
Last answer:
Because conductor used for power transmission are not insulated and if we do so it create phase to ground fault causing interruptions to supply.
burry
power
lines
underground
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5
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asked
Aug 18, 2019
by
anonymous
Why capacitors are used to improve power factor?
Why capacitors are used to improve power factor?
Last answer:
Capacitors generate reactive power instead of that drawn from source which is required by inductive loads.so it reduce the reactive current which is drawn from source to be drawn from capacitor.This control in Electric bills cost.
capacitors
improve
power
factor
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3
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asked
Sep 8, 2018
by
anonymous
State why nuclear power plants are used as base load plants and diesel power plants as a peak load plant.
State why nuclear power plants are used as base load plants and diesel power plants as a peak load plant.
Last answer:
1. Because of following points Nuclear power plant used as base load power plant:- 1. Nuclear power plants is very economical for producing bulk amount of electric power 2. Nuclear power plant is reliable ... . The plants can be put on load easily. 4. Diesel engines take less time to make OFF.
nuclear
power
plants
base
load
diesel
peak
plant
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1
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asked
Sep 8, 2018
by
anonymous
"Hydro electric power station are not perennial power station". Justify.
"Hydro electric power station are not perennial power station". Justify.
Last answer:
Justification: The water utilized by the hydro power plants comes mostly from storage dams/reservoirs which get filled up during the monsoon rainy season. Such reservoirs are utilized for supplying ... are important. Hence "Hydro electric power stations are not perennial power station"
hydro
electric
power
station
perennial
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asked
Mar 10, 2018
by
anonymous
Why high voltage is used in power transmission?
Why high voltage is used in power transmission?
Last answer:
The primary reason that power is transmitted at high voltages is to increase efficiency. ... The lower current that accompanies high voltage transmissionreduces resistance in the conductors aselectricity flows ... This means that thin, light-weight wires can beused in long-distance transmission.
high
voltage
power
transmission
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2
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asked
Mar 8, 2018
by
anonymous
Why the power factor of semiconverter is better than full converter?
Why the power factor of semiconverter is better than full converter?
Last answer:
Power factor of semiconverter is better than full converter
power
factor
semiconverter
better
full
converter
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1
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asked
Sep 15, 2017
by
anonymous
why IGBT is preferred as a power switch over both power BJT and MOSFET?
Last answer:
Because it has a higher switching frequency and heat tolerance.
igbt
bjt
mosfet
power
switch
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110
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1
answer
asked
Sep 13, 2017
by
anonymous
why rectifier is used in power supply ?
Last answer:
Rectifier is use in power supply to convert Alternating current (AC) to Direct Current (DC) .
rectifier
power
supply
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93
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1
answer
asked
Sep 10, 2017
by
anonymous
why power quality is important?
Last answer:
Power quality is important because the electrical appliances will works better and will be safer and less loss in energy. Low energy waste and improves stability of power system .
power
quality
important
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1
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asked
Jul 24, 2019
by
anonymous
Why concentrating collectors are used in solar power plant.
Last answer:
Because of following advantages concentrating type collector are used in solar power plant: - 1. Temperature: Temperature obtained is high because absorber area is less and collector/reflector area ... results: As tracking system is used better results are obtain than flat type collector.
solar
power
plant
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1
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asked
Mar 10, 2018
by
anonymous
Why high voltage can reduce power loss?
Why high voltage can reduce power loss?
Last answer:
when voltage has increased due to reduced current flow, thus power loss given by ( I^2R) will be low due to reduced current(I^2) provided that resistance (R) is constant.
high
voltage
reduce
power
loss
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1
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asked
Mar 10, 2018
by
anonymous
Why do we need to correct power factor?
Why do we need to correct power factor?
need
correct
power
factor
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asked
Apr 30, 2018
by
anonymous
The stability of the power system is not affected by
The stability of the power system is not affected by (1) generator reactance (2) line reactance (3) line losses (4) output torque
Last answer:
The stability of the power system is not affected by line losses
stability
power
system
affected
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213
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1
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asked
Mar 18, 2018
by
anonymous
The synchronous motor which works on leading power factor and does not drive any mechanical load is called?
The synchronous motor which works on leading power factor and does not drive any mechanical load is called?
Last answer:
The synchronous motor which works on leading power factor and does not drive any mechanical load is called synchronous condenser.
synchronous
motor
leading
power
factor
drive
mechanical
load
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asked
Nov 12, 2018
by
Hanee
Superposition theorem in electrostatics
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asked
Apr 10, 2018
by
anonymous
In applying superposition theorem, to determine branch currents and voltages
In applying superposition theorem, to determine branch currents and voltages (a) all current and voltage sources are shorted. (b) only current sources are open circuited. (c) only voltage sources are shorted. (d) voltage sources are shorted and current sources are open circuited.
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asked
Sep 18, 2017
by
anonymous
Superposition theorem can be applied to?
Last answer:
Thesuperposition theoremforelectrical circuitsstates that for a linear system the response (voltageorcurrent) in any branch of a bilaterallinear circuithaving more than one independent source equals the ... alone, where all the other independent sources are replaced by their internalimpedances.
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asked
Apr 29, 2018
by
anonymous
What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016
What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these
Last answer:
What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these
power
factor
single
phase
watt
meter
operating
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1
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asked
Mar 11, 2018
by
anonymous
What is the symbol for AC power?
What is the symbol for AC power?
Last answer:
If you need to measure alternating current in a circuit, different multimeters have different symbols to measure it (and the corresponding voltage), usually "ACA" and "ACV," or "A" and "V" with a squiggly line (~) next to or above them.
symbol
ac
power
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...