alleryThe maximum current that can be drawn from a cell of emf 1.5 V and internal resistance 0.3 Ω is:
A1.5 A
B4.5 A
C5 A
D0.5 A
Answer & Solution
Correct answer: C. 5 A
Maximum current is drawn at R = 0: I_max = ε/r = 1.5/0.3 = 5 A.
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