Electromagnetic Induction

MM

Mashaal Masha

Oct 15, 2022

Choose the correct options for the following questions.

A coil of constant area is placed in a constant magnetic field. An induced current is produced in the coil when:

Difficulty: Easy

A:

The coil is disorted

B:

The coil is rotated

C:

The coil is neither disorted nor rotated

D:

Both a and b

In order that no emf should be induced in a flat loop of wire placed in changing magnetic field, the angle between $\overrightarrow{B}$ and $\triangle \overrightarrow{A}$ should be:

Difficulty: Easy

A:

0^{\circ}

B:

45^{\circ}

C:

90^{\circ}

D:

135^{\circ}