A) 2 ´ 103 W
B) 4 ´ 103 W
C) 2 ´ 104 W
D) 2 ´ 104 W
Correct Answer: C
Solution :
\[\mu ={{r}_{p}}\times {{g}_{m}}\]\[\Rightarrow {{r}_{p}}=\frac{20}{{{10}^{-3}}}\]= 2 ´ 104W.
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