A potential difference of 6V is used to produce a current of 5A for 200s through a heating coil. The heat produced is
A. 4800 cal
B. 6000 cal
C. 2400 J
D. 240 kcal
ANSWER: Option E
EXPLANATION: Just apply the equation below;
heat produced = current × voltage × time(s)
Heat produced = IVt
Time in seconds
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