In a potentiometer of one meter length , an unknown emf voltage source is balanced at 60cm length of the potentiometer wire , while a 3volt battery is balanced at 45cm length, then the emf of the voltage source is

In a potentiometer of one metre length, an unknown emf voltage source is balanced at 60 cm length of potentiometer wire, while a 3 volt battery is balanced at 45 cm length. The the emf of the unknown voltage source is.

In a potentiometer of one metre length, an unknown emf voltage source is balanced at 60 cm length of potentiometer wire, while a 3 volt battery is balanced at 45 cm length. The the emf of the unknown voltage source is.

The emf of a battery A is balanced by a length of 80cm on a potentio meter wire. The emf of a standard cell 1v is balanced by 50cm. The emf of A is

The emf of a battery A is balanced by a length of 80cm on a potentio meter wire. The emf of a standard cell 1v is balanced by 50cm. The emf of A is

The emf of a battery A is balanced by a length 80 cm on a potentio meter wire. The emf of a standard cell 1 v is balanced by 50 cm. the emf of A is