A cell whose internal resistance is 0.55\(\Omega\) delivers a current of 4 A to an external resistor. The lost voltage of the cell is?
- 4.00 V
-
2.20 V
- 0.15 V
- 8.00 V
The correct answer is: B
Explanation
Lost voltage = I x R
= 4 x 0.55
= 2.2V
There is an explanation video available .