A cell in the secondary circuit gives nu...

A cell in the secondary circuit gives null deflection for 2.5 m length of a potentiometer having 10m length of wire. If the length of the potentiometer wire is increased by 1m without changing the cell in the primary, the position of the null point wil be

3.5 m

3 m

2.75 m

2 m

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NTA NEET TEST 22
NTA MOCK TESTS|Exercise PHYSICS|45 Videos
NTA NEET TEST 64
NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

If the length of potentiometer wire is increased, then the accuracy in the determination of null point

If the length of the potentiometer wire is doubled, the sensitivity for obtaining null point will –

A cell is balanced at 100cm of a potentiometer wire when the total length of the wire is 400cm .If the length of the potentiometer wire is increased by 100cm ,then the new balancing length for the cell will be

A potentiometer having a wire 10 m long stretched on it is connected to a battery having a steady voltage. A length of potentiometer wire is increase by 100 cm , find the new position of null point.

In potentiometer experiment, null point isobtained at a particular point for a cell on potentiometer wire x cm long. If the lengthof the potentiometer wire is increasedwithout changing the cell, the balancing length will (Driving source is not changed)

A potentiometer having a wire of 4 m lengths is connected to the terminals of a battery with steady voltage. A leclanche cell has a null point at 1m. If the length of the potentiometer wire is increased by 1 m, the position of the null points is

A potentiometer , with a wire of length 10 m, is connected to an accululator of steady voltage. A lenchlanche cell gives a null point at 7.5 m If the length of the potentiometer wire is increaseed by 1 m, find the new posistion of the null point.

A potentiometer having a wire of 4m length is connected to the terminals of a battery with a steady voltage. A leclanche cell has a null point at 1m. If the length of the potentiometer wire is increased by 1m. The position of the null point is

NTA MOCK TESTS-NTA NEET TEST 25-PHYSICS

Which among the following is correct regarding diamagnetic materials?
Text Solution
|
By increasing the temperature , the specific resistance of a conductor...
Text Solution
|
A cell in the secondary circuit gives null deflection for 2.5 m length...
Text Solution
|
Two coils have a mutual inductance 0.005 H. The current changes in the...
Text Solution
|
The network shown in the figure is part of a complete circuit instant ...
Text Solution
|
Two capacitors of capacitance of 6 muF and 12 muF are connected in se...
Text Solution
|
The electrostatic potnetial due to an electric dipole at an equatorial...
Text Solution
|
The condition under which a point charge moving through a magnetic fie...
Text Solution
|
The force acting per unit length on one conductor due to the other for...
Text Solution
|
For the moon, the wavelength corresponding to the maximum spectral emi...
Text Solution
|
A Carnot engine operates with a source at 500 K and sink at 375 K. Eng...
Text Solution
|
The molar heat capacity of oxygen gas at STP is nearly 2.5 R. As the t...
Text Solution
|
One litre of oxygen at a pressure of 1 atm and two litres of nitrogen ...
Text Solution
|
Two spheres A and B have diameters in the ratio 1:2, densities in the ...
Text Solution
|
A string of mass per unit length "0.2 kg m"^(-1) and length 0.6 m is f...
Text Solution
|
If a body is projected with an angle theta to the horizontal, then
Text Solution
|
A boat which has a spped of 5km h^(-1) in still water crosses a river ...
Text Solution
|
A block of mass 1 kg is placed on a truck which accelerates with accel...
Text Solution
|
The Energy (E) angular momentum (L) and universal gravitational consta...
Text Solution
|
A body of mass 10 kg is moving on a horizonal surface be applying a fo...
Text Solution
|