Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Moving Charges and Magnetism

Question:

Options:

a

b

c

d

Correct Answer:

c

Explanation:

$ B = \frac{\mu_0 I}{2\pi r} = \frac{4\pi \times 10^{-7}\times 100}{2\pi \times 4} = 5 \times 10^{-6} T \text { Southward}$