Target Exam

CUET

Subject

Physics

Chapter

Moving Charges and Magnetism

Question:

A circular coil with 5 turns, each of radius 7 cm, carries a current of 1.4 A. The magnetic field at the center of the coil is

Options:

$10^{-5} T$

$2×10^{-5} T$

$π×10^{-5} T$

$2π×10^{-5} T$

Correct Answer:

$2π×10^{-5} T$

Explanation:

The correct answer is Option (4) → $2π×10^{-5} T$