Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Magnetism and Matter

Question:

Options:

a

b

c

d

Correct Answer:

d

Explanation:

$ \mu = \mu_0 \mu_r = \mu_0 (1 + \chi) = 4\pi \times 10^{-7} \times 500 = 2\times 10^{-4}$