A) 2 : 1
B) 1 : 2
C) 4 : 1
D) 1 : 4
Correct Answer: A
Solution :
\[U=\frac{{{F}^{2}}}{2K}\Rightarrow U\propto \frac{1}{K}\Rightarrow \frac{{{U}_{1}}}{{{U}_{2}}}=\frac{{{K}_{2}}}{{{K}_{1}}}=2\]You need to login to perform this action.
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