Home
Class 12
PHYSICS
A potentiometer, wire of length 10m and...

A potentiometer, wire of length 10m and resistance 21.8ohm is connected in series with a cell of emf 22 volt internal resistance `0.2omega` and a Rheostate with maximum resistance of 22 ohm , then the minimum & maximum Potential gradient that can be obtained (V/m) are -

Promotional Banner

Similar Questions

Explore conceptually related problems

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 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 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

A wire of length 1.6m has a resistance 8 Omega is connected to a battery of 2 volts and internal resistance 2Omega . What is the potential gradient ?

A potentiometer wire of length 10m and resistance 30 ohm is connected in series with a battery of emf 2.5V, internal resistance 5 ohm and external resistance R. If the fall of potential along the potentiometer wire is 50mV/m, the value of R is ohms is

A potentiometer wire of length 10m and resistance 30 ohm is connected in series with a battery of emf 2.5V, internal resistance 5 ohm and external resistance R. If the fall of potential along the potentiometer wire is 50mV/m, the value of R is ohms 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 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.