Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Induction

Question:

Options:

a

b

c

d

Correct Answer:

b

Explanation:

Induced emf $\xi = - \frac{d\phi}{dt} = -(20t-50)$

at t = 3sec , $\xi = -(20\times 3 -50) = -10 V $