Question:medium

A 5 mg particle carrying a charge of \(5\pi \times 10^{-6}\) C is moving with velocity of \((3\hat{i} + 2\hat{k}) \times 10^{-2}\) m/s in a region having magnetic field \(\vec{B} = 0.1 \hat{k}\) Wb/m². It moves a distance of \(a\) meter along \(\hat{k}\) when it completes 5 revolutions. The value of \(a\) is ________.

Updated On: Apr 12, 2026
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Correct Answer: 2

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