What will be the internal resistance of cell, if it supplies 0.9A current through 2Ω resistor and 0.3A current through 7Ω resistor?

What will be the internal resistance of cell, if it supplies 0.9A current through 2Ω resistor and 0.3A current through 7Ω resistor?

A 0.9Ω

B 1.2Ω

C 1Ω

D 0.5Ω

Solution

Correct Answer: Option D