Q1PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
Which of the following is true in context
of Eddy currents?
Physics · JEE
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Part of Electromagnetic Induction and Alternating Currents in JEE Main Physics.
- Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance
- Alternating currents, peak and RMS value of alternating current/voltage
- Reactance and impedance, LCR series circuit, resonance, power in AC circuits, wattless current
- AC generator and transformer
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Q2PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
A circuit has a self-inductance of
and carries a current of To prevent sparking, when the circuit is switched off, a capacitor which can withstand
is used. The least capacitance of
the capacitor connected across the
switch must be equal to
Q3PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
A magnet is allowed to fall through a copper circular wire. Then during fall:
Q4PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
If given arrangement is moving towards left with speed then potential
difference between and and current
in the loop are respectively.
Q5PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
Magnitude of e.m.f. produced in a coil when a magnet is inserted into it does
not depend upon:
Q6PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
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Q Type your question
insulated from each other. The entire
loop lies in the plane (of the paper). A
uniform magnetic field point into the
plane of the paper. At the loop
starts rotating about the common
diameter as axis with a constant
angular velocity in the magnetic field Which of the following options is/are
correct?
This question has multiple correct options
Q7PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
When a coil rotated in magnetic field
induced current in it :
Q8PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
A current is induced in a coil by
electromagnetic induction.
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Popular questions in Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance
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