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

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

A 1Ω resistance in series with an ammeter is balanced by 75 cm of potentiometer wire. A standard cell of emf 1.02 V is balanced by 50 cm. The ammeter shows a reading of 1.5 A. Then the error in ammeter reading is:

The e.m.f. E of the battery is balanced by p. d. across 75 cm of a potentiometer wire. For a standard cell of e.m.f. 1.02 V, the balancing length is 50 cm. The value of E is

The e.m.f. E of the battery is balanced by p. d. across 75 cm of a potentiometer wire. For a standard cell of e.m.f. 1.02 V, the balancing length is 50 cm. The value of E is

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.