In the circuit diagram above, calculate the current in th...
In the circuit diagram above, calculate the current in the 12 Ω resistor if the cell has an emf of 12V and an internal resistance of 1Ω
0.8A
1.0A
1.6A
2.4A
Correct answer is D
E=I(R+r)
I=ER+r
1R=112+16=14
R=4Ω
I=121+4=125
= 2.4A
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