A cell whose internal resistance is 0 55 Omega ... - JAMB Physics 2022 Question
A cell whose internal resistance is 0.55\(\Omega\) delivers a current of 4 A to an external resistor. What is the lost voltage of the cell?
A
4.00 V
B
2.20 V
C
0.15 V
D
8.00 V
correct option: b
Lost voltage = I x R
= 4 x 0.55
= 2.2V
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