EASY
JEE Advanced
IMPORTANT
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The coefficient of mutual induction between two circuits is equal to the, emf produced in one  circuit, when the current in the second circuit is

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Important Questions on Electromagnetic Induction

MEDIUM
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 57
An ideal coil of 10 H is joined in series with a resistance of 5 Ω and a battery of 5 V. 2 s after joining, the current flowing in ampere in the circuit will be
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 58
An L-R circuit has a cell of emf E, which is switched on at time t=0. The current in the circuit after a long time will be
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 59
An inductance L and a resistance R are first connected to a battery. After some time the battery is disconnected but L and R Remain connected in a closed circuit. Then, the current reduces to 37% of its initial value in
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 60

In the figure magnetic energy stored in the coil is

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EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 61
A coil of inductance 300 mH and resistance 2 Ω is connected to a source of voltage 2 V. The current reaches half of its steady state value in
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 62
An inductor of 2 H and a resistance of 10 Ω are connected in series with a battery of 5 V. The initial rate of change in current is
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 63
In an inductor of inductance L=100 mH, a current of I=10 A is flowing. The energy stored in the inductor is
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 64
During current growth in an L-R circuit the time constant is the time in which the magnitude of current becomes