NEETPhysics-Current Electricity

NEET Physics Current and Charge MCQ Question

Type: MCQ-numerical-Medium-Class 12

In an atom electrons revolve around the nucleus along a path of radius 0.72 Å making 9.4 × 10¹⁸ revolution per second. The equivalent current is (e = 1.6 × 10⁻¹⁹)

A

2 Å

B

5 Å

C

4 Å

D

8 Å

Correct Answer

Option A

Detailed Explanation

The equivalent current is calculated using the formula I = e × frequency. Substituting the given values, the current is found to be 1.2 Å.

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