A cell of e.m.f. 2 volt and negligible internal resistance is connected to potentiometer wire of length 4 m and resistance `25 Omega` , to form a closed circuit. Find the potential gradient along the wire .

A cell of e.m.f. 2 V and negligible internal resistance is connected in series with a potentiometer wire of length 100 cm. The e.m.f of the Leclanche cell is found to balance on 75 cm of the potentiometer wire. The e.m.f. of the cell is

Length of potentiometer wire is 600 cm and a driving cell develop 6V potential difference across it. The potential gradient along the wire is?

A resistance of 990Omega and a cell of emf 2 V is connected in series with a potentiometer wire having a length 2 m and resistance 10Omega . The potential gradient along the wire will be

A battery of e.m.f. 2 V and internal resistance 2Omega is connected to an external resistance 8Omega . If the length of the conductor is 4 m, then potential gradient between the two ends of the wire is

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 has a uniform wire of length 10 m and resistance 5 Omega . The potentiometer is connected to an external battery of e.m.f. 10V and negligible internal resistance and an external resistance of 995 Omega in series.The potential gradient along the wire is

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 potential difference 3V is applied across a potentiometer wire of length 10 m. If the length of wire is reduced by 1 m the value of potential gradient in V//m will be

A potentiometer wire of length 10 m and resistance 9 ohm is connected to a battery of e.m.f. 2.1 volt having internal resistance 1.5 Omega . Find the potential gradient along the wire and the balancing length for a cell of e.m.f. 1.08 volt .

A wire of length 100 cm is connected to a cell of emf 2 V and negligible internal resistance. The resistance of the wire is 3 Omega . The additional resistance required to produce a potential drop of 1 milli volt per cm is