0.75Ω
1.5Ω
0.5Ω
1.0Ω
0.6Ω
Correct answer is A
E = 1.5v
rT = 2×22+2
= 1
e.m.f. = I(R + r)
1.5 = I(1 + 1)
I = 0.75Ω
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