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 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 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.

A potentiometer wire of length 1m has a resistance 20Omega .It is connected in series with a resistance R and a cell of emf 2 volts.If potential gradient is 1V/m .Find R

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 has length 10m and resistance 10Omega . It is connected to battery of EMF 11 volt and internal resistance 1Omega , then the potential gradient in the wire is

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

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