Calculate the e m f of the cell in the above ci... - JAMB Physics 2009 Question
A
12 V
B
8 V
C
2 V
D
36 V
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Correct Option: B
1/R = 1/R1 + 1/R2 = 1/3 + 1/6
= 3/6
∴ R = 6/3 = 2
E = I(R + r) = 4(2 + 0) = 8v
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