A cell whose internal resistance is 0.55Ω delive...
A cell whose internal resistance is 0.55Ω 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
Correct answer is B
Lost voltage = I x R
= 4 x 0.55
= 2.2V