A cell of internal resistance 1Ω supplies current to an external resistor of 3Ω. The
PHYSICS
JAMB 2000
A cell of internal resistance 1Ω supplies current to an external resistor of 3Ω. The efficiency of the cell is
- A. 25%
- B. 33%
- C. 50%
- D. 75%
Correct Answer: D. 75%
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