Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Induction

Question:

If the magnetic field remains constant but the area of the coil now changes thrice what it was previously, what will the new EMF be ?

Options:

It will become 9 times

It will become 1/9 times

It will become 3 times

It will become 1/3 times

Correct Answer:

It will become 3 times

Explanation:

EMF ∝ dΦ ∝ A ;

A : Area of the coil.