PHYSICS
JAMB 2023 - Question 16
Physics 2023 JAMB Past Questions - Question 16: An electric cell has an internal resistance of 2 ohms.A current of 0.5A is found to flow when a resistor of 5ohms resistance is connected across it What is the electromotive force of the cell?
A current of 0.5A is found to flow when a resistor of 5ohms resistance is connected across it What is the electromotive force of the cell?
A:
B:
C:
D:
Correct Answer
D
Explanation
E.m.f. = I(R + r) = 0.5(2+5) = 3.5 volts
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