A coil of area A and N turns is rotating with angular velocity ω in a uniform magnetic field B about an axis perpendicular to B. Magnetic flux φ and induced emfε across it, at an instant when B is parallel to the plane of coil, are :
Held on 29 Jan 2025 · Verified 6 Jul 2026.
φ=AB,ε=0
φ=0,ε=0
φ=0,ε=NABω
φ=AB,ε=NABω
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