JEE Main 2026 · Session 2 · Shift 1 · Physics
Question 48
1 μC charge moving with velocity v⃗ = (î − 2ĵ + 3k̂) m/s in the region of magnetic field B⃗ = (2î + 3ĵ − 5k̂) T. The magnitude of force acting on it is sqrt(α)×10⁻⁶ N. The value of α is ____.
Answer: 171
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Official source
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Question paper, page 19.