A wire of length 1 m is moving at a speed of 2 ms⁻¹ perpendicular to its length
A wire of length 1 m is moving at a speed of 2 ms⁻¹ perpendicular to its length in a…
8 years ago
Physics
In circular coil, when number of turns is doubled and resistance becomes 1/4th
In circular coil, when number of turns is doubled and resistance becomes 1/4th of initial value, the inductance becomes Options…
8 years ago
If emf induced in a coil is 2 V by changing the current in it from 8 A to 6 A
If emf induced in a coil is 2 V by changing the current in it from 8 A to 6…
8 years ago
Two coils have the mutual inductance of 0.05 H.
Two coils have the mutual inductance of 0.05 H. The current changes in the first coil as I=I₀ sin ωt,…
8 years ago
An avarage induced e.m.f. of 1 V appears in a coil when the current in it is changed
An avarage induced e.m.f. of 1 V appears in a coil when the current in it is changed from 10…
8 years ago
When a magnet is taken towards a coil, the induced e.m.f. depends on
When a magnet is taken towards a coil, the induced e.m.f. depends on Options (a) the number of turns in…
8 years ago
Two identical circular coils A and B are kept on a horizontal tube
Two identical circular coils A and B are kept on a horizontal tube side by side without touching each other.…
8 years ago
The induced emf in a coil of 10 H inductance in which current varies
The induced emf in a coil of 10 H inductance in which current varies from 9 A to 4 A…
8 years ago
If a charge in current of 0.01 A in one coil produces a change in magnetic flux
If a charge in current of 0.01 A in one coil produces a change in magnetic flux of 1.2 x…
8 years ago
The current in a self-inductance L=40 mH is to be increased uniformly from 1A to 11 A
The current in a self-inductance L=40 mH is to be increased uniformly from 1A to 11A in 4 ms. The…
8 years ago