At what point the null point be obtained in meterbridge experiment when the ratio of resistance in two gaps is `3:7`?

At which point will the null point be obtained on a metrebridge if the ratio of the resistances in the two gaps is 2:3 ?

If the balancing point is obtained at 35^(th) cm on a metre bridge , then the ratio of resistances in the gaps is

The balance point is obtained at 40 cm from left end in meter bridge. Then the ratio of resistance in the gap is

Two coils are connected in series in one gap of the meterbridge and null point is obtained of the middle of the wire by putting 75Omega in the other gap. Two coils are then connected in parallel and the null point is obtained again at the middle of the wire when the resistance in the other gap is changed by 57Omega . Find the resistance of each coil.

When null point is obtained in the potentiometer the current is drawn from

In a Wheatstone's meter-bridge experiment, the null point is obtained in middle one third portion of wire.Why is it recommended?

When the balance point is obtained in the potentiometer, a current is drawn from?

In an experiment of meter bridge, a null point is obtaining at the center of the bridge wire. When a resistance of 10 ohm is connected in one gap, the value of resistance other gap is

A uniform wire is cut into two pieces such that on piece is twice as long as the other. The two piece are connected in parallel in the left gap of a meterbridge. When a resistance of 20Omega is connected in the right gap, the null point is obtained at a distance of 60cm from the right end of the wire. Find the resistance of the wire before it was cut into two pieces.

Two equal resistances are introduced in two gaps of a metre bridge.Find the shift in the null point if an equal resistance is connected in series with resistance in left gap .