Two wires of the same material and the length are connected to the two gaps of a metre bridge. The balancing length measured from left is 25cm. The ratio radius of the wire is the left gap to that in the right gap is

When a metal conductor connected to left gap of a meter bridge is heated, the balancing point

Two equal resistance are connected in the gaps of a metre bridge. If the resistance in the left gap is increased by 10% the balancing point shift

Two wire of the same material and length stretched by the same force. If the ratio of the radii of the two wires is n : 1 then the ratio of their elongations is

Two equal resistance are connected in the gaps of a metre bridge. If the resistance in the left gap is increased by 10\%, the balancing point shift

A 6Omega resistance is connected in the left gap of a meter bridge.In the second gap 3Omega and 6Omega are joined in parallel.The balance point of the bridge is at

Two resistances prepared from the wire of the same material having diameters in the ratio 3:1 and length in the ratio 3:1 are connected in the left and right gap of Wheatstone's metre bridge.The distance of null point from the left end of the wire is

If the balance point is obtained at the 35th cm in a metre bridge the resistances in the left and right gaps are in the ratio of

Equal lengths of wires A and B are connected the left and the right gap respectively of a meter bridge. The null point is obtained at 0.4 m from the left end of the wire. If the diameters of the wires A and B are in the ratio 2:3 . Then the ratio of specific resistances of the materials of the wires will be