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
Medium
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