A) 2J
B) 3.8 J
C) 5.2 J
D) 2.6 J
Correct Answer: D
Solution :
Work done, \[\sqrt{2Eq/ml}\] \[\sqrt{2Em/ql}\] \[\sqrt{\frac{Eq}{ml}}\] \[{{10}^{12}}\] \[2.5\times {{10}^{7}}\] \[1.25\times {{10}^{7}}\] \[2.5\times {{10}^{8}}\]
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