Current Electricity · Cells and circuits
The total length of potentiometer wire AB is 50 cm in the arrangement as shown in figure. If P is the point where the galvanometer shows zero reading then the length AP is cm.
- (1)15
- (2)30
- (3)25
- (4)20
Video solution coming soon
We're animating every PYQ step by step. Subscribe to get them first.
See the full 21 Jan 2026, Shift 2 paper
More on Cells and circuits
- 21 Jan 2026, Shift 1 · Q22The heat generated in 1 minute between points A and B in the given circuit, when a battery of 9 V with internal resistance of 1 is…
- 21 Jan 2026, Shift 2 · Q2The charge stored by the capacitor C in the given circuit in the steady state is μC. [figure]
- 21 Jan 2026, Shift 2 · Q10A battery with EMF E and internal resistance r is connected across a resistance R. The power consumption in R will be maximum when :
- 22 Jan 2026, Shift 1 · Q6A meter bridge with two resistances R1 and R2 as shown in figure was balanced (null point) at 40 cm from the point P. The null point…