EASY
12th CBSE
IMPORTANT
Earn 100

A magnetic flux of 8×10−4 Wb is linked with each turn of a 200-turn coil when there is an electric current of 4 A in it. Calculate the self-inductance of the coil.

Important Questions on Electromagnetic Induction

EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 6 - Electromagnetic Induction>Problems For Practice>Q 4
The self-inductance of an inductor coil having 100 turns is 20 mH. Calculate the magnetic flux through the cross-section of the coil corresponding to a current of 4 mA. Also, find the total flux.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 6 - Electromagnetic Induction>Problems For Practice>Q 5
A coil of inductance 0.5 H is connected to a 18 V battery. Calculate the rate of growth of current.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 6 - Electromagnetic Induction>Problems For Practice>Q 6
An average induced emf of 0.4 V appears in a coil when the current in it is changed from 10 A in one direction to 10 A in opposite in 0.40 second. Find the coefficient of self-induction of the coil.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 6 - Electromagnetic Induction>Problems For Practice>Q 7
A coil has a self-inductance of 10 mH. What is the maximum magnitude of the induced emf in the inductor, when a current I=0.1 sin 200 t ampere is sent through it.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 6 - Electromagnetic Induction>Problems For Practice>Q 8
What is the self-inductance of a solenoid of length 40 cm, area of cross-section 20 cm2 and total number of turns 800?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 6 - Electromagnetic Induction>Problems For Practice>Q 9
The current in a solenoid of 240 turns, having a length of 12 cm and a radius of 2 cm, changes at the rate of 0.8 As−1. Find the emf induced in it.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 6 - Electromagnetic Induction>Problems For Practice>Q 10
Calculate the mutual inductance between two coils when a current of 2 A changes to 6 A in 2 s and induces an emf of 20 mV in the secondary coil.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 6 - Electromagnetic Induction>Problems For Practice>Q 11
The mutual inductance between two coils is 2.5 H. If the current in one coil is changed at the rate 2.0 As−1, what will be the emf induced in the other coil?