A) \[3\times {{10}^{-9}}ohm\]
B) \[3\times {{10}^{-7}}ohm\]
C) \[3\times {{10}^{-5}}ohm\]
D) \[3\times {{10}^{-3}}ohm\]
Correct Answer: D
Solution :
In the above question for calculating equivalent resistance between two opposite square faces. \[l=\text{ }100cm=\text{ }1m,A=\text{ }1c{{m}^{2}}=\text{ }{{10}^{4}}{{m}^{2}}\], so resistance \[R=3\times {{10}^{7}}\times \frac{1}{{{10}^{-4}}}=\text{ }3\times {{10}^{3}}\Omega \]
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