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A 6 V cell has internal resistance 0.5 ohm. What is the maximum current it could supply?
A3 A
B6 A
C0.083 A
D12 A
Answer & Solution
Correct answer: D. 12 A
The maximum current occurs at R = 0 and equals e/r = 6 V / 0.5 ohm = 12 A.
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