Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Moving Charges and Magnetism

Question:

Options:

a

b

c

d

Correct Answer:

a

Explanation:

$\text{Force per unit length of parallel wire is F} = \frac{\mu_0 I^2}{2\pi d}$

$\text{Since currents are parallel so force is attractive.}$