A) 3 : 2
B) 2 : 3
C) 3 : 4
D) 4 : 3
Correct Answer: A
Solution :
\[P=\frac{{{V}^{2}}}{R}\Rightarrow \] \[\frac{{{R}_{1}}}{{{R}_{2}}}=\frac{{{P}_{2}}}{{{P}_{1}}}=\frac{60}{40}=\frac{3}{2}\]
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