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Arisa [49]
3 years ago
13

An electric travel blanket uses a car's 12V supply. The current is 3A.

Physics
1 answer:
snow_lady [41]3 years ago
5 0

For electrical devices . . .

           Power dissipated = (voltage) x (current) =

                                             (12 V)  x  (3.0 A) = 36 watts .

1 watt means 1 joule per second

           (36 joule/sec) x (60 sec/min) x (10 min)  =  21,600 joules

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