Electromagnetic Induction

MM

Mashaal Masha

Oct 15, 2022

Choose the correct options for the following questions.

Motional emf is called motional:

Difficulty: Easy

A:

Electromagnetic force and measured in newtons

B:

Electromotive force and is measured in volt

C:

Electromotive force and measured in newtons

D:

Electromagnetic force and measured in volts

A metal rod of length 1 m is moving at a speed of $1 ms^{-1}$ in a direction making an angle of $30^{\circ}$ with 0.5 T magnetic field. The emf produced in the rod is:

Difficulty: Easy

A:

0.25 N

B:

-.25 V

C:

2.5 V

D:

2.5 N