The plane of a circular coil of resistance 7.5 Ω is placed perpendicular to a uniform magnetic field. The flux \phi (in weber) through the coil varies with time t (in second) as \phi=2 t^2+3 t-2. The induced power in the coil at time t=3 s is

TG EAMCET 2 May 2025 Shift 1 Paper

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The plane of a circular coil of resistance 7.5Ω is placed perpendicular to a uniform magnetic field. The flux φ (in weber) through the coil varies with time t (in second) as φ=2t2+3t−2. The induced power in the coil at time t=3s is

7.5 W
15 W
30 W
20 W

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