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For a inductor coil L = 0.04 H, then work done by source to establish a current of 5A in it is -

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For a inductor coil L = 0.04 H, then work done by source to establish a current of 5A in it is - 

(1) 0.5 J 

(2) 1.00 J 

(3) 100 J 

(4) 20 J

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Correct Answer is: (2) 1.00 J

Work done by source 

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