JAMB Physics 2014 Objective — Question 36
Question 36 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2014 Objective paper, with the correct answer and a full explanation.
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The maximum power transfer occurs in a cell when the external resistance is
- A. the same as the internal resistance of the cell
- B. greater than the internal resistance of the cellCorrect
- C. less than the internal resistance of the cell
- D. twice the internal resistance of the cell
Explanation
For maximum power transfer to occur in a cell, the internal resistance must be small, i.e. the external resistance must be greater than the internal resistance.
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