PhysicsJEE Main 8 Apr 2026, Shift 2·Q23·Numerical·Easy–moderate

Moving Charges and Magnetism · Magnetic force

A 5 mg particle carrying a charge of

5\pi\times10^{-6}

C is moving with velocity of

(3\hat i + 2\hat k)\times10^{-2}

m/s in a region having magnetic field

\vec B = 0.1\,\hat k\ \mathrm{Wb/m^2}

. It moves a distance of

\alpha

meter along

\hat k

when it completes 5 revolutions. The value of

\alpha

is .

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