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A coil of area 100 cm^(2) has 500 turns....

A coil of area `100 cm^(2)` has `500` turns. Magnetic field of `0.1 "weber"//"metre"^(2)` is perpendicular to the coil. The field is reduced to zero in `0.1` second. The induced `e.m.f.` in the coil is

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