A potentiometer wire has a length of 4 and a resistance of 8 ohm. It is connected in series with a cell of e.m.f. 2 V and internal resistance 2 ohm. The potential drop per unit length of the wire is

A potentiometer wire has a length of 1.5 m and resistance of 10 Omega . It is connected in series with the cell of emf 4 Volt and internal resistance 5 Omega . Calculate thepotential drop per centimeter of the wire.

A potentiometer wire is 10 m long and has a resistance of 2 Omega//"m". It is connected in series with a battery of e.m.f. 3 V and a resistance of 10Omega . The potential gradient along the wire in V/m is

A potentiometer wire is 10 m long and has a resistance of 2 Omega//"m". It is connected in series with a battery of e.m.f. 3 V and a resistance of 10Omega . The potential gradient along the wire in V/m is

A potentiometer wire has a length 2 m and resistance of 10 Omega . It is coonnected in series with a resistance of 990 Omega and a cell of e.m.f. 2 V. The potential gradient along the wire is

A potentiometer wire has a length 400 cm and a resistance of 20 Omega . It is connected in series with an external resistance R and a cell of e.m.f. 1.5 V and internal resistance 1 Omega . A source of e.m.f.6 mV is balanced against a length of 30 cm of the potentiometer wire. Find R. According to the principle of potentiometer Vpropl . i.e., V = ilp where l'is the balancing length & p the resistance per cm of the potentiometer wire.

A 10 m long wire of resistance 15 ohm is connectd in series with a battery of emf 2V (no internal resistance) and a resistance of 5 ohm. The potential gradient along the wire is

A potentiometer wire has a length of 2m and resistance 10Omega . It is connected in series with resistance 990Omega and a cell of emf 2V. Calculate the potential gradient along the wire.