The potential difference between the ter...

The potential difference between the terminals of a cell, in an open circuit was 2.5 volt and when it was connected through a resistance of 5 ohm, the potential difference fell to 1.5v. Find the internal resistance of the cell.

Topper's Solved these Questions

MODEL PAPER SET-07
UNITED BOOK HOUSE|Exercise EXERCISE|47 Videos
MODEL PAPER SET-09
UNITED BOOK HOUSE|Exercise EXERCISE|40 Videos

Similar Questions

Explore conceptually related problems

A length of potentiometer wire of 155 cm balances the emf of a cell in a circuit and a length of 135 cm when the cell has a conductor of resistance 8Omega connected between its terminals . Find the internal resistance of the cell .

If the potential difference between the two ends of a conductor a 15 volt for which current flowing through it is 3A, then find the resistance of the conductor.

E.M.F. of electrical cell is 2 volt. A 10Omega resistance is joined at its two ends then potential difference in measured 1.6 volt. Find out the internal resistance and lost volt.

Resistance of 60 watt bulb connected with 220 volt potential difference

Name the quantity for which the potential difference of a cell becomes less than its emf due to its internal resistance.

In potentiometer method'a cell can be balanced at 480cm. It is balanced at 400 cm when connected through a shunt 5 Omega . Find the internal resistance of the cell.

Show that in a closed circuit the potential difference between the two ends of a cell is less than the emf of that cell.

The electromotive force of a cell is 2V. The potential difference becomes 1.5 V when a resistance of 15 Omega is added to the two ends of the cell. Determine the internal resistance of the cell and the lost volt.

When a resistance of 12 Omega is connected with a cell of emf 1.5 V, 0.1A current flows through the resistance. Internal resistance of the cell is—

UNITED BOOK HOUSE-MODEL PAPER SET-08-EXERCISE

Will photoelectrons be emitted by copper plate of work function 4.4eV ...
Text Solution
|
Show that for an electron laccelerated by a potential difference of V-...
Text Solution
|
Show that kinetic energy of an electron in the first Bohr orbit is num...
Text Solution
|
Wahat is a p-n junction diode? Draw the circuit diagram of a full wav...
Text Solution
|
What is a photodiode? Draw theI-V characteristic curve of a photodiode...
Text Solution
|
Prove that current density of a metallic conductor is directly proport...
Text Solution
|
Define mobility of free electrons.
Text Solution
|
The potential difference between the terminals of a cell, in an open c...
Text Solution
|
State and explain Kirchhoff's laws for electrical circuits.
Text Solution
|
What is the principle of potentiomenter?
Text Solution
|
A potentiometer wire has a length 10m and a resistance of 4 ohm. A cel...
Text Solution
|
Define SI unit of magnetic flux.
Text Solution
|
Show that (dphi)/(dt) and V have the same dimension.
Text Solution
|
A conducting wire of length l is rotating with angular velocity w in a...
Text Solution
|
The electric mains in the house are marked ‘220v, 50Hz Write down the ...
Text Solution
|
How can an LCR circuit be made purely resistance?
Text Solution
|
A resistance of 400Omega and a capacitance of reactance 200Omega are c...
Text Solution
|
A resistance of 400Omega and a capacitance of reactance 200Omega are c...
Text Solution
|
Derive an expression for the equivalent focal length for two thin conv...
Text Solution
|
The distance between an object and a screen is 2m. Can an image of an ...
Text Solution
|