A coil of area and resistance is placed perpendicular to a uniform magnetic field of

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Problem

A coil of area 2 m22\,\text{m}^2 and resistance 4 Ω4\,\Omega is placed perpendicular to a uniform magnetic field of 4 T4\,\text{T}. The loop is rotated by 90∘90^\circ in 0.1 s0.1\,\text{s}. Choose the correct options. (1) Average induced emf in the coil is 8 V8\,\text{V}. (2) Average induced current in the circuit is 20 A20\,\text{A}. (3) 2 C2\,\text{C} charge will flow in the coil during the above period. (4) Heat produced in the coil during the above period cannot be determined from the given data.

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