Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Moving Charges and Magnetism

Question:

For a long wire carrying a current of 10 A, the magnitude of magnetic field at a point 4 cm away from it will be:

Options:

$4×10^{-5}T$

$2×10^{-5}T$

$10^{-5}T$

$5×10^{-5}T$

Correct Answer:

$5×10^{-5}T$

Explanation:

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