In an electric heater $4\, amp$ current passes for $1$ minute at potential difference of $250\, volt$, the power of heater and energy consumed will be respectively

  • A

    $1\, kW$, $60\, kJ$

  • B

    $0.5\, kW$, $30\, kJ$

  • C

    $10\, kW$, $600\, kJ$

  • D

    None of these

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