A) 0.5
B) 1.0
C) 1.5
D) 2.0
Correct Answer: D
Solution :
\[R=\rho \frac{l}{A}\]and\[P\propto \frac{1}{R}\]Þ\[P\propto \frac{A}{l}\]Þ\[P\propto \frac{{{d}^{2}}}{l}\]Þ \[{{P}_{A}}=2{{P}_{B}}\]You need to login to perform this action.
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