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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2017
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A long solenoid of diameter 0.1 m has 2×104 turns per meter. At the centre of the solenoid, a coil of 100 turns and radius 0.01 m is placed with its axis coinciding with the solenoid axis. The current in the solenoid reduces at a constant rate to 0 A from 4 A in 0.05 s. If the resistance of the coil is 10π2Ω, the total charge flowing through the coil during this time is :


( A ) 32 πμC
( B ) 16 μC
( C ) 32 μC
( D ) 16 πμC
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