GATE PH 2019 PH Q19: Electromagnetic Theory

A circular loop made of a thin wire has radius 2 cm and resistance 2

. It is placed perpendicular to a uniform magnetic field of magnitude

Tesla. At time

the field starts decaying as

, where

s. The total charge that passes through a cross section of the wire during the decay is

. The value of

C (rounded off to two decimal places) is

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