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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  1999
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Q)

A current carrying coil (I = 5A, R = 10 cm.) having 50 number of turns find field at its centre-


( A ) 1 mT
( B ) 1.57 mT
( C ) 2 mT
( D ) 3.14 mT

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