A potentiometer wire of length 1 m has a resistance of `100Omega`. It is connected to a 6V battery in series with a resistance of `5Omega`. Determine the emf of the primary cell which gives a balance point at 40cm.

A potentiometer wire of length 1.0 m has a resistance of 10 Omega . It is connected to a 6 V battery in seried with a resistance of 5 Omega . Determine the emf of the primary cell which gives a balance point at 40 cm.

A potentiometer wire of length 1 m has a resistance 10 ohm. It is connected to 6 V battery in series with a resistance of 5 ohm. Determine the emf of the primary cell which gives a balance point at 40 cm.

A potentiometer wire of length 1.0 m has a resistance of 15 ohm. It is connected to a 5 V source in series with a resistance of 5 Omega . Determine the emf of the primary cell which has a balance point at 60 cm.

A potentiometer wire of length 1.0 m has a resistance of 15 ohm. It is connected to a 5 V source in series with a resistance of 5 Omega . Determine the emf of the primary cell which has a balance point at 60 cm.

A potentiometer wire of length 100 cm has a resistance of 10 Omega . It is connected in series with a resistance R and cell of emf 2 V and of of 40 cm of the potentiometer wire. What is the value of R ?

The potentiometer wire of length 100cm has a resistance of 10Omega . It is connected in series with a resistance of 5Omega and an accumulaot or emf 3V having negligible resistance. A source 1.2V is balanced against a length 'L' of the potentionmeter wire. find the value of L.