A potentiometer wire of 10 m length and 20 ohm resistance is connected in series with a resistance R ohms and a battery of emf 2V, negligible internal resistance, potential gradient on the wire is 0.16 millivolt/centimetre then R is ohm….

A potentiomete wire of 10m length and 20 Ohm resistance is connected in series with a resistance Rohms and a battery of emf 2V, negligible internal resistance. Potential gradient on the wire is 0.16 millivolt/centimetre then R is ---- ohms

A potentiometer wire of length 10m and resistance 20Omega is connected in series with another resistance of 80Omega and a battery of emf 4V . The potential gradient on the wire will be (in mV//cm )

A potentiometer has a wire of 100cm length and its resistance is 10 Ohms. It is connected in series with a resistance of 40 ohms and a battery of emf 2V and negligible internal resistance. If a source of unknown emf E connected in the secondary is balanced by 40cm length of potentiometer wire, the value of 'E' is

A potentiometer has a wire of 100cm length and its resistance is 10 Ohms.It is connected in series with a resistance of 40 ohms and a battery of emf 2V and negligible internal resistance.If a source of unknown emf E connected in the secondary is balanced by 40cm length of potentiometer wire the value of 'E' is

A potentiometer wire, 4 m long and resistance 10 Omega , is connected in series with a resistance of 1988 Omega and a cell of emf 2V and internal resistance 2Omega . What is the potential gradient along the wire?

AB is a potentiometer wire of length 100 cm and its resistance is 10 ohms . It is connected in series with a resistance R = 10 ohms and a battery of e.m.f. 2 V and negligible internal resistance. If a source of unknown e.m.f. E is balanced by 40 cm length of the potentiometer wire, the value of E is

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 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 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