When a wire loop is rotated in a magnetic field, the directi... | PHYSICS - LENZ'S LAW AND CONSERVATION OF ENERGY | SolveeIt | Solveeit

Today, August 19

Question

When a wire loop is rotated in a magnetic field, the direction of induced emf changes in every

A

One revolution

B

$\frac { 1 } { 2 }$ revolution

C

$\frac { 1 } { 4 }$ revolution

D

2 revolution

Answer

$\frac { 1 } { 2 }$ revolution

Explanation

Solution

The direction of induced emf is reversed after every half revolution of the loop.