The potentiometer wire has length 10m and resistance `10Omega`, if the current flowing through it is 0.4A, what are the balancing lengths when two cells of emfs 1.3V and 1.1V are connected so as to:- oppose each other?

The potentiometer wire has length 10m and resistance 10Omega , if the current flowing through it is 0.4A, what are the balancing lengths when two cells of emfs 1.3V and 1.1V are connected so as to:- assist and

A potentiometer wire has a length 10 m and a resistance 20 Omega . Its terminals are connected to a battery of e.m.f. 4 V and internal resistance 5 Omega . What are the distances at which null points are obtained when two cells of e.m.f.s 1.5 V and 1.3 V are connected so as to oppose each other ?

A potentiometer wire has a length 10 m and resistance 20 ohm.Its terminals are connected to a cell of emf 5 V and internal resistance 5 ohm. What are the distances at which null points are obtained when two cells of emfs 1.5 V and 1.3 V are connected so as to oppose each other

A potentiometer wire has a length of 2m and resistance 10Omega . It is connected in series with resistance 990Omega and a cell of emf 2V. Calculate the potential gradient along the wire.

A potentiometer wire has a length 10 m and a resistance 20 Omega . Its terminals are connected to a battery of e.m.f. 4 V and internal resistance 5 Omega . What are the distances at which null points are obtained when two cells of e.m.f.s 1.5 V and 1.3 V are connected so as to assist ?

A potentiometer wire has a length of 4 m and resistance of 4 Omega . What resistance must be connected in series with the potentiometer wire and a cell of e.m.f. 2 V having internal resistance 2 Omega to get a potential drop of 10^-3V/(cm) along the wire?

A potentiometer wire has a length of 1.5 m and resistance of 10 Omega . It is connected in series with the cell of emf 4 Volt and internal resistance 5 Omega . Calculate thepotential drop per centimeter of the wire.

A potentiometer consists of a wire of length 4 m and resistance 10 Omega . If is connected of cell of emf 2V . The potential difference per unit length of the wire will be

A potentiometer wire has length 4 m and resistance 8 Omega . The resistance that must be connected in series with the wire and an accumulator of e.m.f. 2 V , so as the get a potential gradient 1 mV per cm on the wire is