What is the direction of the induced current?

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asked Mar 14, 2018 by anonymous

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What is the direction of the induced electric field?

Last answer: It is in opposite direction to the one that produced it.

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asked Mar 14, 2018 by anonymous

What is the direction of flow of electric current in an electric circuit?

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What happens when you reverse the direction of the current in an electromagnet?

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asked Mar 14, 2018 by anonymous

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.

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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 . ..

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asked Mar 14, 2018 by anonymous

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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 .

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asked Mar 20, 2018 by anonymous

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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.

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asked Aug 8, 2018 by anonymous

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.

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asked Jun 11, 2019 by anonymous

Faraday's law of induced voltage

Last answer: Faraday's law of induced voltage

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asked Aug 8, 2018 by anonymous

Explain the term self induced EMF with a neat diagram.

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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.

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147 views 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.

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97 views 1 answer

asked Aug 17, 2019 by anonymous

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.

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asked Jun 11, 2019 by anonymous

Self induced voltage across an inductance

Last answer: Self induced voltage across an inductance

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asked Sep 7, 2018 by anonymous

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

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asked Sep 4, 2018 by anonymous

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

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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.

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asked Mar 15, 2018 by anonymous

What is the direction of flow when charging a capacitor?

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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

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161 views 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

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78 views 1 answer

asked Apr 27, 2020 by anonymous

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).

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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

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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.

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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.

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can a DIAC conduct in both direction?

Last answer: Yes DIAC can conduct in both direction.

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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,

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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

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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.

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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.

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asked Mar 18, 2018 by anonymous

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.

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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.

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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.

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Last answer: P = I2R Where P = power I = Current R = Resistance This the relationship between current and power.

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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

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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

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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asked Aug 6, 2017 by anonymous

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

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asked Aug 3, 2017 by anonymous

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Last answer: Flow of free electrons

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Last answer: Resistance reduces when current increases.

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A) Watt B) Volts C) Farad D) Ampere

Last answer: Correct answer: D) Ampere

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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.

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Last answer: The currents flows through phase lines is called line voltage and currents flows from phase to neutral line is called phase current

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What is the direction of the induced current?

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