A) 0.552\[\Omega ,\]
B) 0.652\[\Omega ,\]
C) 1.252\[\Omega ,\]
D) 1.2\[\Omega ,\]
Correct Answer: D
Solution :
From potentiometer formula internal resistance \[\begin{align} & r=\left( \frac{{{l}_{1}}}{{{l}_{2}}}-1 \right)R \\ & =\left( \frac{60}{50}-1 \right)\times 6 \\ & =1.2\,\Omega \\ \end{align}\]You need to login to perform this action.
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