A time varying current i is passed through a resistance R as shown in figure. The total heat generated in the resistance is

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11i02Rt0

13i02Rt0

17i02Rt0

15i02Rt0

answer is B.

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Detailed Solution

Total heat produced =∫0t03i0t0t2 Rdt+3i02R 2t0−t0+i02R 3t0−2t0=3i02Rt0 + 9i02Rt0 + i02Rt0 = 13i02Rt0

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