EASY
12th CBSE
IMPORTANT
Earn 100
Show that the SI unit of inductance, henry is equal to volt second per ampere.
Important Questions on Electromagnetic Induction
EASY
12th CBSE
IMPORTANT
When current in a coil changes with time, how is the back emf induced in the coil related to it?
EASY
12th CBSE
IMPORTANT
Name any two useful application of eddy currents.
EASY
12th CBSE
IMPORTANT
Define self-inductance. Give its SI units.
EASY
12th CBSE
IMPORTANT
Define mutual inductance. Give its SI units.
EASY
12th CBSE
IMPORTANT
How does the mutual inductance of a pair of coils change, when distance between the coils is increased?
EASY
12th CBSE
IMPORTANT
How does the mutual inductance of a pair of coils change, when number of turns in each coil is increased?
EASY
12th CBSE
IMPORTANT
Figure shows a current-carrying solenoid moving towards a conducting loop. Find the direction of the current induced in the loop.
EASY
12th CBSE
IMPORTANT
An iron-cored solenoid has self-inductance . When the core is removed, the self-inductance becomes . What is the relative permeability of the core used?
