A current of 2 A flows through a 5 ohm resistor for 10 seconds. The heat produced is
Options
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A.
20 J
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B.
50 J
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C.
100 J
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D.
200 J
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E.
None of the above
Correct Answer (Detailed Explanation is Below)
C.
100 J
Detailed Explanation
Using Joules law H = I^2Rt = 2^2 x 5 x 10 = 200 J. Therefore the correct answer is 200 J.