In a metre bridge, the null point is at 40 cm from the left end when a 6 Ω resistor is in the left gap. The resistance in the right gap is

(B) 9 Ω. (6)/(S) = (40)/(60) S = 9 Ω.

Current Electricity question for NEET / JEE Main, with solution

Q 12-03-037NEETJEE MainMedium

In a metre bridge, the null point is at $40$ cm from the left end when a $6\ \Omega$ resistor is in the left gap. The resistance in the right gap is