Target Exam

CUET

Subject

Physics

Chapter

Moving Charges and Magnetism

Question:

The relative magnetic permeability of diamagnetic substances is always:

Options:

less than 1

equal to 1

greater than 1

Zero

Correct Answer:

less than 1

Explanation:

The correct answer is Option (1) → less than 1

Relative magnetic permeability, $μ_r≅1-δ$

[$δ$ = Small positive quantity]