A) \[E\propto \frac{1}{r}\]
B) \[E\propto \frac{1}{{{r}^{2}}}\]
C) \[E\propto \frac{1}{{{r}^{3}}}\]
D) \[E\propto \frac{1}{{{r}^{4}}}\]
Correct Answer: C
Solution :
\[I=\frac{Lh}{{{r}^{3}}}\]You need to login to perform this action.
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