Home
Class 12
PHYSICS
In the circuit shown below, the internal...

In the circuit shown below, the internal resistance of the cell is negligible. The distance of the slider from the left-hand end of the slide wire is l. The graph shows the variation with l of the current I in the cell.

The balance point is at length l that is equal to:

A

0cm

B

20cm

C

30cm

D

40cm

Text Solution

Verified by Experts

From given graph at l=20cm,I=0mA
Promotional Banner

Similar Questions

Explore conceptually related problems

In the circuit shown below, the internal resistance of the cell is negligible. The distance of the slider from the left-hand end of the slide wire is l. The graph shows the variation with l of the current I in the cell. E.M.F. of the cell is:

In the circuit shown below, the internal resistance of the cell is negligible. The distance of the slider from the left-hand end of the slide wire is l. The graph shows the variation with l of the current I in the cell. Value of the resistance R is:

In the circuit shows in Fig. 6.74, the internal resistance of the cell is negligible. For the value of R = 40//x Omega , no current flows through the galvanometer. What is x ?

In the circuit shown in figure. Calculate the current in each resistance. The internal resistnaces of the cells are negligible.

In the figure shown wire AB has a length of 100 cm and resistance 8Omega . Find the balance point length l .

3V poteniometer used for the determination of internal resistance of a 2.4V cell. The balanced point of the cell in open circuit is 75.8cm. When a resistor of 10.2Omega is used in the external circuit of the cell the balance point shifts to 68.3cm length of the potentiometer wire. The internal resistance of the cell is

In the circuit shown below, if the value of R is increased then what will be the effect on the reading of ammeter if the internal resistance of cell is negligible-

The length of a potentiometer wire is l . A cell of emf E is balanced at a length l/3 from the positive end of the wire. If the length of the wire is increased by l/2. At what distance will the same cell give a balance point.

A 2.0V potentiometer is used to determine the internal resistance ofa I.SY cell. The balance point of the cell in the open circuit is obtained at 75cm. When· a resistor of 10Omega is connected across the cell, the balance point shifts to 60cm. The internal resistance of the cell is: