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PhysicsJEE Main 2 Apr 2026, Shift 1·Q23·Numerical·Easy–moderate

Moving Charges and Magnetism · Magnetic force

1 μ1\ \muC charge is moving with velocity v⃗=(i^−2j^+3k^)\vec v = \left(\hat i - 2\hat j + 3\hat k\right) m/s in the region of magnetic field B⃗=(2i^+3j^−5k^)\vec B = \left(2\hat i + 3\hat j - 5\hat k\right) T. The magnitude of force acting on it is α×10−6\sqrt\alpha\times10^{-6} N. The value of α\alpha is .
We corrected a printing error in the original paper

Source printed “1 μ1\ \muC charge moving with velocity” (no verb).

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