A) 200 V
B) 400 V
C) zero
D) 50 V
Correct Answer: A
Solution :
[a] \[V=\frac{kp\,\cos \,\theta }{{{r}^{2}}}\] |
\[V=\frac{9\times {{10}^{9}}\times 16\times {{10}^{-9}}\times \cos \,60}{0.36}\] |
\[V=200\,V\] |
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