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Physics, 28.11.2020 03:10 miraculousdollh

A potential difference of 5v is used to produce a current of 4A for 4 hours through a heating coil. What is the heat produced. a 80j
b 4.8kj
c 20j
d 4800kj

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A potential difference of 5v is used to produce a current of 4A for 4 hours through a heating coil....
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