KarimaSanfiorenzo594 KarimaSanfiorenzo594

07-07-2014
Physics

Answered

a current of 4A flows in a wire of resistance 60 ohm. calculate electrical energy consumed in 2 min.

Answer :

08-07-2014

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

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