A) \[4\,\Omega \]
B) \[2\,\Omega \]
C) \[1\,\Omega \]
D) \[0.5\,\Omega \]
Correct Answer: B
Solution :
Here, \[r=\frac{{{l}_{1}}-{{l}_{2}}}{{{l}_{2}}}\times 2\] \[=\frac{240-120}{120}\times 2\] \[=\frac{120}{120}\times 2=2\,\Omega \]You need to login to perform this action.
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