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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2010

A 220 volt input is supplied to a transformer. The output circuit draws a current of 2.0 ampere at 440 volts. If the efficiency of the transformer is 80%, the current drawn by the primary windings of the transformer is –

( A ) 2.5 ampere
( B ) 3.6 ampere
( C ) 5.0 ampere
( D ) 2.8 ampere

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