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Physics-Ampere's Law

NEET Physics Ampere's Law MCQ Question

Type: MCQ-fact-Hard-Class 12

What does Ampere's Law state about the relationship between the magnetic field and the total current through a closed loop?

A

B . dl = μ 0 I

B

B = μ 0 I / (2πr)

C

B = I / (μ 0 r)

D

B . dl = μ 0 I / (4πr^2)

Correct Answer

Option A

Detailed Explanation

Ampere's Law states that the integral of the magnetic field B around a closed loop is equal to μ 0 times the total current I passing through the surface bounded by that loop, represented as B . dl = μ 0 I.

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