A) \[1\Omega \]
B) \[0.5\Omega \]
C) \[4\Omega \]
D) \[2\Omega \]
Correct Answer: D
Solution :
[d] Internal resistance \[r=R\left[ \frac{{{\ell }_{1}}}{{{\ell }_{2}}}-1 \right]\] \[=2\left[ \frac{240}{120}-1 \right]=2\Omega \]You need to login to perform this action.
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