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What is the direction of the induced current?
asked
Mar 14, 2018
by
anonymous
What is the direction of the induced current?
direction
induced
current
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asked
Mar 14, 2018
by
anonymous
What is the direction of the induced electric field?
What is the direction of the induced electric field?
Last answer:
It is in opposite direction to the one that produced it.
direction
induced
electric
field
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46
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1
answer
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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2.5k
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2
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asked
Mar 14, 2018
by
anonymous
What is the direction of flow of current?
What is the direction of flow of current?
Last answer:
Current flows from anode to cathode(opposite direction to flow of electrons)
direction
flow
current
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69
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1
answer
asked
Mar 14, 2018
by
anonymous
What is the direction of the conventional current flow?
What is the direction of the conventional current flow?
Last answer:
The conventional current flow in opposite direction of flow of electrons. The electrons flow from negative terminal of battery to positive terminal of battery. And conventional current flow from positive terminal of battery to negative terminal of battery.
direction
conventional
current
flow
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74
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1
answer
asked
Mar 14, 2018
by
anonymous
What is the direction of flow of electric current in an electric circuit?
What is the direction of flow of electric current in an electric circuit?
Last answer:
It flows from anode to cathode (direction of holes flow)
direction
flow
electric
current
circuit
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144
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1
answer
asked
Mar 14, 2018
by
anonymous
What happens when you reverse the direction of the current in an electromagnet?
What happens when you reverse the direction of the current in an electromagnet?
Last answer:
When you reverse current direction in an electromagnet, the magnetic poles will also change.
reverse
direction
current
electromagnet
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1
answer
asked
Mar 14, 2018
by
anonymous
How can we increase the induced current?
How can we increase the induced current?
Last answer:
Induced current can be increased by reducing no of windings on the secondary part compared to primary.
increase
induced
current
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1
answer
asked
Oct 3, 2017
by
anonymous
why current flows in opposite direction of electrons ?
why current flows in opposite direction of electrons?
Last answer:
Hi team, the current flow is nothing but flow of electrons But the conventional direction I'd opposite to actual current flow . ..
current
flows
opposite
direction
electrons
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89
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1
answer
asked
Mar 14, 2018
by
anonymous
How does AC current change direction?
How does AC current change direction?
Last answer:
This is because the angle at which the magnetic fields cuts across a winding changes its poles thus current has to change dirention .
ac
current
change
direction
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1
answer
asked
Mar 14, 2018
by
anonymous
What is the direction of the electric field?
What is the direction of the electric field?
Last answer:
Electric field is at right angle widh flow of current (right hand rule).
direction
electric
field
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99
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1
answer
asked
Mar 14, 2018
by
anonymous
What is the direction of the flow of electrons?
What is the direction of the flow of electrons?
Last answer:
Electrons flow cathode to anode or in an oposite direction of convection current flow or holes.
direction
flow
electrons
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89
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1
answer
asked
Mar 20, 2018
by
anonymous
The direction of rotation of universal motor can be reversed the by reversing the flow of current through?
Last answer:
The direction of rotation of universal motor can be reversed the by reversing the flow of current through either armature winding or field winding.
direction
rotation
universal
motor
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103
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1
answer
asked
Aug 8, 2018
by
anonymous
List the two types of induced EMF.
List the two types of induced EMF.
Last answer:
There are two types of EMF one is statically induced EMF and second is dynamically induced EMF.
induced
emf
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71
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1
answer
asked
Jun 11, 2019
by
anonymous
Faraday's law of induced voltage
Faraday's law of induced voltage
Last answer:
Faraday's law of induced voltage
faradays
law
of
induced
voltage
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54
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1
answer
asked
Aug 8, 2018
by
anonymous
Explain the term self induced EMF with a neat diagram.
Explain the term self induced EMF with a neat diagram.
self
induced
emf
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0
answers
asked
Mar 20, 2018
by
anonymous
If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by?
Last answer:
If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by Blv.
flux
density
conductor
induced
emf
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147
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1
answer
asked
Mar 20, 2018
by
anonymous
When the armature of a D.C. motor rotates, e.m.f. induced is
Last answer:
When the armature of a D.C. motor rotates, e.m.f. induced is back e.m.f.
armature
dc
motor
rotates
emf
induced
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97
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1
answer
asked
Aug 17, 2019
by
anonymous
Self induced emf and Mutually induced emf
Self induced emf and Mutually induced emf
Last answer:
(i) Self-induced e.m.f.: The e.m.f. induced in a coil due to the change of its own flux linked with it, is called self-induced e.m.f. (ii) Mutually induced e.m.f.: The e.m.f. induced in a coil due to the changing current in the neighbouring coil, is called mutually induced e.m.f.
mutually
induced
emf
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38
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1
answer
asked
Jun 11, 2019
by
anonymous
Self induced voltage across an inductance
Self induced voltage across an inductance
Last answer:
Self induced voltage across an inductance
self
induced
voltage
across
an
inductance
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61
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1
answer
asked
Sep 7, 2018
by
anonymous
Define natural, mechanical, forced and induced draught systems.
Define natural, mechanical, forced and induced draught systems.
Last answer:
Natural draught system: - When the fuel is burnt (combustion) in the furnace due to natural circulation of air, the draught is called natural draught. Mechanical draught system: - In a mechanical ... combustion. OR If fan/blower is placed after the furnace then it is called as induced draught
define
natural
mechanical
forced
induced
draught
systems
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1
answer
asked
Sep 4, 2018
by
anonymous
Compare statically induced emf with dynamically induced emf on any four points.
Compare statically induced emf with dynamically induced emf on any four points.
Last answer:
Statically induced emf Dynamically induced emf Emf is induced without any relative motion between conductor and magnetic field. Emf is induced due to relative motion between conductor ... induced in transformer windings e.g emf induced in Generator, Alternator armature windings
compare
statically
induced
emf
dynamically
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113
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2
answers
asked
Aug 8, 2018
by
anonymous
Define: 1) statically induced EMF 2) dynamically induced EMF
Define: 1) statically induced EMF 2) dynamically induced EMF Write the names of equipments in which these two types of EMF get induced
Last answer:
Concept of statically induced emf: The emf induced in coil or conductors without any relative motion between it and magnetic field is called statically induced emf. When conductor is stationary and flux ... it. This emf is dynamically induced emf. e.g. Emf induced in generators, alternator.
statically
induced
emf
dynamically
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370
views
3
answers
asked
Mar 15, 2018
by
anonymous
What is the direction of flow when charging a capacitor?
What is the direction of flow when charging a capacitor?
direction
flow
charging
capacitor
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60
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0
answers
asked
Apr 29, 2018
by
anonymous
The induced emf in the armature of a lap -wound four -pole dc machine having 100 armature conductors
The induced emf in the armature of a lap -wound four -pole dc machine having 100 armature conductors rotating at 600 rpm and with 1 Wb flux per pole is (1) 1000V (2) 100V (3) 600V (4) 10,000V
Last answer:
The induced emf in the armature of a lap -wound four -pole dc machine having 100 armature conductors rotating at 600 rpm and with 1 Wb flux per pole is 1000V
induced
emf
armature
lap-wound
four-pole
dc
machine
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161
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1
answer
asked
Apr 29, 2018
by
anonymous
In a single-phase induction motor, the operating direction is determined by the ________
In a single-phase induction motor, the operating direction is determined by the ________ A) Rotor B) Stator C) Starting circuit D) None of these
Last answer:
In a single-phase induction motor, the operating direction is determined by the Starting circuit
single-phase
induction
motor
operating
direction
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78
views
1
answer
asked
Apr 27, 2020
by
anonymous
Explain dynamic and static induced emf with neat diagram.
Explain dynamic and static induced emf with neat diagram.
Last answer:
Dynamically Induced EMF:- In this case, either coil moves or magnet moves, so that there is relative motion between coil & magnetic field. Thus magnetic field is cut by coil & emf is induced in it. The emf ... The expression for induced EMF is e= -L(di/dt) or = -N(dϕ/dt).
explain
dynamic
and
static
induced
emf
with
neat
diagram
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93
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1
answer
asked
Apr 28, 2018
by
anonymous
The direction of rotation of an inverter fed 3-phase ac motor is reversed by
The direction of rotation of an inverter fed 3-phase ac motor is reversed by (A) a mechanical reversing switch (B) reversing the input dc link voltage (C) operating the inverter as a rectifier (D) changing the sequence of switching
Last answer:
The direction of rotation of an inverter fed 3-phase ac motor is reversed by changing the sequence of switching
direction
rotation
inverter
fed
3-phase
ac
motor
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116
views
1
answer
asked
Mar 20, 2018
by
anonymous
In case of a shaded pole motor the direction of rotation of the motor is?
Last answer:
In case of a shaded pole motor the direction of rotation of the motor is from main pole to shaded pole.
shaded
pole
motor
direction
rotation
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107
views
1
answer
asked
Mar 20, 2018
by
anonymous
The direction of rotation of an hysteresis motor is determined by?
Last answer:
The direction of rotation of an hysteresis motor is determined by position of shaded pole with respect to main pole.
direction
rotation
hysteresis
motor
determined
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130
views
1
answer
asked
Sep 20, 2017
by
anonymous
can a DIAC conduct in both direction?
Last answer:
Yes DIAC can conduct in both direction.
diac
conduct
direction
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50
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1
answer
asked
May 1, 2018
by
anonymous
In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation,
In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as (1) synchronous motor (2) synchronous generator (3) asynchronous motor (4) asynchronous generator
Last answer:
In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as synchronous generator
synchronous
machine
field
flux
axis
armature
direction
rotation
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316
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1
answer
asked
Mar 20, 2018
by
anonymous
The direction of rotation of a D.C. series motor can be changed by?
Last answer:
The direction of rotation of a D.C. series motor can be changed by interchanging field terminals.
direction
rotation
dc
series
motor
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75
views
1
answer
asked
Mar 20, 2018
by
anonymous
Direction of rotation of a split phase motor can be reversed by reversing the connection of?
Last answer:
Direction of rotation of a split phase motor can be reversed by reversing the connection of either running winding or starting winding.
direction
rotation
split
phase
motor
reversed
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140
views
1
answer
asked
Mar 18, 2018
by
anonymous
How can we reverse the direction of rotation of synchronous motor?
How can we reverse the direction of rotation of synchronous motor?
Last answer:
By reversing supply phase sequence we can reverse the direction of rotation of synchronous motor.
reverse
direction
rotation
synchronous
motor
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185
views
1
answer
asked
Mar 20, 2018
by
anonymous
In repulsion motor direction of rotation of motor?
Last answer:
In repulsion motor direction of rotation of motor is the same as that of brush shift.
repulsion
motor
direction
rotation
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82
views
1
answer
asked
Mar 22, 2018
by
anonymous
Two non-collinear parallel equal forces acting in opposite direction?
Two non-collinear parallel equal forces acting in opposite direction?
Last answer:
Two non-collinear parallel equal forces acting in opposite direction constitute a couple.
non-collinear
parallel
forces
opposite
direction
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84
views
1
answer
asked
Mar 15, 2018
by
anonymous
What is the relationship between power and current?
What is the relationship between power and current?
Last answer:
P = I2R Where P = power I = Current R = Resistance This the relationship between current and power.
relationship
between
power
current
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86
views
2
answers
asked
Mar 15, 2018
by
anonymous
What is the difference between eddy current and hysteresis loss?
What is the difference between eddy current and hysteresis loss?
Last answer:
Loss occurred by magnetising and demagnetising process is called histerisis loss and the current flowed due to the magnetic field produced by the electric field applied is called eddy current losses
difference
between
eddy
current
hysteresis
loss
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2.9k
views
1
answer
asked
Sep 1, 2018
by
anonymous
Which of the following quantity maintains the same direction whether a D.C. machine runs as a generator or as a motor a. Induced e.m.f. b. Armature Current c. Field Current d. Supply Current
Which of the following quantity maintains the same direction whether a D.C. machine runs as a generator or as a motor a. Induced e.m.f. b. Armature Current c. Field Current d. Supply Current
Last answer:
Which of the following quantity maintains the same direction whether a D.C. machine runs as a generator or as a motor a. Induced e.m.f. b. Armature Current c. Field Current d. Supply Current
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2.9k
views
1
answer
asked
Aug 6, 2017
by
anonymous
what is eddy current ?
what is eddy current ?
Last answer:
In magnetic circuits when we supply current to coil which wound on some core( of iron cast iron, ferrite ) material it produce magnetic field but there is small amount of flux which also ... heat and losses in magnetic circuits..for good working conditions we always try to minimize eddy current
eddy
current
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100
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1
answer
asked
Aug 3, 2017
by
anonymous
what is current?
what is current?
Last answer:
Flow of free electrons
current
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3.0k
views
5
answers
asked
Mar 15, 2018
by
anonymous
What happens to the resistance when the current increases?
What happens to the resistance when the current increases?
Last answer:
Resistance reduces when current increases.
resistance
current
increases
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77
views
1
answer
asked
Jun 28, 2019
by
anonymous
What is the unit of electric current?
A) Watt B) Volts C) Farad D) Ampere
Last answer:
Correct answer: D) Ampere
electric
unit
current
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2.5k
views
1
answer
asked
Sep 27, 2017
by
anonymous
what is the leakage current of diode?
Last answer:
In Reverse bias of diode when the cathode is connected to positive and anode is connected to negative very small current flows this very small current is known as leakage current of diode.
leakage
current
diode
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68
views
1
answer
asked
Aug 25, 2019
by
anonymous
What kills, current or voltage?
What kills, current or voltage?
Last answer:
Current would kill. You can actually have thousands of bolts going through you and not even know it. Yes you probably know already voltage is current times resistance. Since your body is a resistor it would take just a small amount of current to create a very high voltage
current
voltage
kills
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127
views
3
answers
asked
Mar 14, 2018
by
anonymous
What happens when a current flows through a wire?
What happens when a current flows through a wire?
Last answer:
Current can produce two effect one is heating effect and second is magnetic effect.
current
flows
through
wire
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87
views
2
answers
asked
Mar 10, 2018
by
anonymous
What type of meter is used to measure current?
What type of meter is used to measure current?
Last answer:
Ammeter
type
meter
used
measure
current
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2.6k
views
3
answers
asked
Mar 10, 2018
by
anonymous
What is the difference between line and phase current?
What is the difference between line and phase current?
Last answer:
The currents flows through phase lines is called line voltage and currents flows from phase to neutral line is called phase current
difference
between
line
phase
current
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90
views
1
answer
asked
Mar 10, 2018
by
anonymous
What is the current gain?
What is the current gain?
Last answer:
Current gain β = Ic/Ib
current
gain
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55
views
1
answer
asked
Mar 10, 2018
by
anonymous
What is current harmonics?
What is current harmonics?
current
harmonics
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0
answers
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