Home
Class 12
PHYSICS
A cell first connected across 5 Omega re...

A cell first connected across `5 Omega` resistance develops a potential difference of 1.25 V across it. Same cell again connected across `2 Omega` resistance develops 1V potential difference across it find emf of cell

A

5 V

B

15 V

C

7 V

D

4 V

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

The potential difference across terminals of cell of 20 V and r = 2 Omega connected to 8 Omega external resistance is

In an electric circuit, a call of certain emf provides a potential difference of 1.25 V across a load resistance of 5Omega However, it provides a potential difference of 1 V across a load resistance of 2Omega .The emf of the cell is given by x/10 V . Then the value of x is ____.

A cell of emf 'E' is connected across a resistance R.The potential difference between the terminals of the cell is found to be "V" .The internal resistance of the cell must be:

Find potential difference across the resistance 300 Omega in A and B.

Find potential difference across the resistance 300 Omega in A and B.

A cell has an emf 1.5V. When connected across an external resistance of 2Omega , the terminal potential difference falls to 1.0V. The internal resistance of the cell is: