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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2008
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Q)

An electric kettle takes 4 A current at 220 V. How much time will it take to boil 1 kg of water from temperature $20^oC$ ? The temperature of boiling water is $100^oC$.


( A ) 12.6 min
( B ) 8.4 min
( C ) 6.3 min
( D ) 4.2 min

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