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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2009
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Q)

A conducting circular loop is placed in a uniform magnetic field 0.04T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2 mm/s. The induced emf in the loop when the redius is 2 cm is :


( A ) $0.8\pi{\mu}V$
( B ) $1.6\pi{\mu}V$
( C ) $3.2\pi\mu V$
( D ) $4.8\pi{\mu}V$

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