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P = E^2 / R

P = (240 x 240)/ 8 = 7200 watts

If this is coninuously energized for 24 hours:

7.2 kw/hr x 24 = 172.8 kw/hrs

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14y ago
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12y ago

The power consumed by the element is P=(v)*(v)/R

P=(240)*(240)/8=7200w.

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11y ago

1920 watts, or, at the risk of confusing you, 1920 volt-amps for non-resistive loads such as motors.

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Q: How many watts is 8 amps at 240 volts?
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