A) \[\frac{W}{4}\]
B) \[\frac{W}{2}\]
C) \[2W\]
D) \[4W\]
Correct Answer: D
Solution :
From the formula, \[W=\frac{{{Q}^{2}}}{2C}\] ?.(i) \[W=\frac{{{(2Q)}^{2}}}{2C}\] \[(\because Q=2Q)\] \[\Rightarrow \] \[W=4\frac{{{Q}^{2}}}{2C}\] \[\Rightarrow \] \[W=4W\] [From (i)]You need to login to perform this action.
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