March 29, 2017

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an electrical baseboard heater drawws a current of 6.0A and has a potential difference of 240V. For how long must it remain on to use 220 000 J of electrical energy.

  • physics - ,

    The wattage (power)consumed is I*V = 1440 W.

    The time required to consume 220,000 J ls 220,000/1440 seconds.

    Convert to hours or minutes, if you wish.

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