A `10` meter long wire of uniform cross section of `20 Omega` resistance is used as a potentiometer wire. This wire is connected in series with a battery of `5V` along with an external resistance of `480 Omega` if an unknown emf `epsilon` is balanced at `600 cm` of this wire , calculate (i) the potential gradient of the potentiometer wire and (ii) the value of the unknown emf `epsilon`.

A 10 meter long wire of uniform cross section of 20 Omega resistance is used as a potentiometer wire. This wire is connected in series with a battery of 5V along with an external resistance of 480 Omega if an unknown emf epsilon is balanced at 600 cm of this wire , calculate the potential gradient of the potentiometer wire.

A 10 meter long wire of uniform cross section of 20 Omega resistance is used as a potentiometer wire. This wire is connected in series with a battery of 5V along with an external resistance of 480 Omega if an unknown emf epsilon is balanced at 600 cm of this wire , calculate the value of the unknown emf.

A 10 m long wire of uniform cross section and 20 Omega resistance is used in a potentiometer. The wire is connected in series with a battery of 5 V along with an external resistance of 480 Omega . If and unknown emf E is balanced at 6.0 m length of the wire,then the value of unknown emf is

A 10 m along uniform metallic wire having a resistance of 20Omega is used as a potentiometer wire. This wire is connected in series with another resistance of 480 Omega and a battery of emf 5 V having negligible internal resistance . If an unknown emf e is balanced across 6 m of the potentiometer wire. Calculate : (i) The potential gradient across the potentiometer wire. (ii) the value of the unknown emf e.

A 5m long wire is used with uniform area of cross-section and 50 ohm resistance inpotentiometer.The wire is connected in series with a battery of 10V along with external resistance 450ohm. If unknown emf E is balanced at 4m length of wire, find potential gradient of potentiometer wire and value of unknown emf

A 10 m long uniform metallic wire having a resistance of 20 Omega is used as a potentiometer wire. This wire is connected in series with another resistance of 480 Omega and a battery of emf 5 V having negligible internal resistance. If an unknown emf e is balanced across 6 m of the potentiometer wire, calculate : the potential gradient across the potentiometer wire.

A 10 m long uniform metallic wire having a resistance of 20 Omega is used as a potentiometer wire. This wire is connected in series with another resistance of 480 Omega and a battery of emf 5 V having negligible internal resistance. If an unknown emf e is balanced across 6 m of the potentiometer wire, calculate : the value of the unknown emfe.