A battery of enf 2 V internal resistance 1 `Omega` is used to send a current through a potentiometer wire of length 200 cm and resistance 4 `Omega` What length of the potentiometer wire will be required to balace a Daniell cell of enf 1.08 V?

A current of 1.0 mA is flowing through a potentiometer wire of length 4 m and of resistance 4 Omega , find the potential gradient of potentiometer wire

A battery of emf 26V and internal resistance 0.4 ohm is connected to a resistance of 10ohm and a potentiometer wire of length 10m. What is the potential gradient on the wire if the resistance of the potentiometer wire is 5 ohm –

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

The wire of potentiometer has resistance 4 Omega and length 1m. It is connected to a cell of e.m.f. 2V and internal resistance 1 Omega . The current flowing through the potentiometer wire is

A cell of e.m.f. 2 V and negligible internal resistance is connected to a potentiometer wire of resistance 10 Omega and length 4 m. The potential difference per unit length (potential gradient ) of the wire is

The emf of the driver cell of a potentiometer is 2 V , and its internal resistance is negligible. The length of the potentiometer wire is 100 cm , and resistance is 5 omega . How much resistance is to be connected in series with the potentiometer wire to have a potential gradient of 0.05 m V cm^(-1) ?

Two cells each of emf 10 V and each 1Omega internal resistance are used to send a current through a wire of 2Omega resistance. The cells are arranged in parallel. Then the current through the circuit

Calculate the potential gradient of a potentiometer wire of length 5 m ,if resistance of the wire is 5 Omega and current of 1.2 mA flows through it.

A potentiometer consists of a wire of length 4 m and resistance 10Omega . It is connected to a cell of emf 2V.The potential gradient of the wire is

If a ideal battery of e.m.f.10 V is connected with external resistance 9Omega and a wire of length 10 m and resistance 1Omega in series as shown in potentiometer wire