A) \[100\,oh{{m}^{-1}}c{{m}^{2}}g\,E{{q}^{-1}}\]
B) \[20\,oh{{m}^{-1}}c{{m}^{2}}g\,E{{q}^{-1}}\]
C) \[300\,oh{{m}^{-1}}c{{m}^{2}}g\,E{{q}^{-1}}\]
D) \[10\,oh{{m}^{-1}}c{{m}^{2}}g\,E{{q}^{-1}}\]
Correct Answer: D
Solution :
[d] \[l/a=0.5\,c{{m}^{-1}},R=50\,\Omega \] \[\rho =\frac{Ra}{l}=\frac{50}{0.5}=100\] \[A=k\times \frac{1000}{N}=\frac{1}{\rho }\times \frac{1000}{N}=\frac{1}{100}\times \frac{1000}{1}\] \[=10\,oh{{m}^{-1}}c{{m}^{2}}g\,E{{q}^{-1}}\]
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