In the given potentiometer circuit length of the wire `AB` is `3 m` and resistance is `R = 4.5 Omega`. The length `AC` for no deflection in galvanometer is

For the potentiometer arrangement shown in the figure, length of wire AB is 100 cm and its resistance is 9 Omega . Find the length AC for which the galvanometer G will show zero deflection.

For the potentiometer arrangement shown in the figure, length of wire AB is 100 cm and its resistance is 9 Omega . Find the length AC for which the galvanometer G will show zero deflection.

Figure- 3.287 shows a potentiometer with length of wire Im and resistance 10 Omega . In this system find length PC when galvanometer shows null deflection.

Calculate the value of unknown potential V for the given potentiometer circuit .The total length 400 cm of potentiometer wire has a resistance of 10 Omega and the balance point in obtained at a length of 240 cm

A simple potentiometer circuit is shown in the figure. The internal resistance of 5 V battery is 0.6 Omega wire of length 4 m and resistance 0.5 Omega per meter. The length AB for which galvanometer shows zero deflection is

A simple potentiometer circuit is shown in the figure. The internal resistance of 5 V battery is 0.6 Omega wire of length 4 m and resistance 0.5 Omega per meter. The length AB for which galvanometer shows zero deflection is

Passage - II : Consider a potentiometer arrangement having auniform wire AB of resistance 99Omega A driving battery of 10V emf and 1Omega internal resistance is used in the potentiometer. A cell of unknown emf E_(1) and internal resistance of 1Omega is balanced agains AC length of potentiometer wire. When jockey is touched with wire AB at point C such that AC = 40 cm, there is no deflection in galvanometer. The emf of cell is

In a potentiometer circuit, the emf of driver cell is 2V and internal resistance is 0.5 Omega . The potentiometer wire is 1m long . It is found that a cell of emf 1V and internal resistance 0.5 Omega is balanced against 60 cm length of the wire. Calculate the resistance of potentiometer wire.