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A current of 4A flows in a wire of resistance 60 ohm. calculate electrical energy consumed in 2 min.
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Apr 25, 2015
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A current of 4A flows in a wire of resistance 60 ohm. calculate electrical energy consumed in 2 min.
Physics
high-school
Keleshia
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Power dissipated = energy/second= (current)² x (resistance)
Power dissipated = energy / second = (4)² x (60) = 960 joules per second= 960 watts
Energy = (power) x (time) = (960 watts) x (2 minutes) x (60 sec/minute)
=
115,200 joules
Bdargan
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May 1, 2015
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Bdargan
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