CUET Preparation Today
The Potentiometer wire of length 400 cm has a resistance of $20 \Omega$. It is connected in series with a resistance of $10 \Omega$ and a cell of emf 9 V having negligible resistance. A source of 2.4 V is balanced against a length L of the potentiometer wire. The value of L is:
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160 cm 160 m 120 cm 125 cm |
160 cm |
The correct answer is Option (1) → 160 cm |
