Question
Answer: Option D
:
D
The equivalent resistance between points A and B to the right of AB is 4 ohm. Therefore total resistance =3+4+2=9ohm. Current I =99=1A. This current is equally divided in the 8 ohm resistor between A and B and the remainder 8 ohm resistor. Hence current in AC =0.5A. This current is equally divided between the 8 ohm resistor in CD and the circuit to the right of CD. Therefore current in the 4 ohm resistor = 0.25 A
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:
D
The equivalent resistance between points A and B to the right of AB is 4 ohm. Therefore total resistance =3+4+2=9ohm. Current I =99=1A. This current is equally divided in the 8 ohm resistor between A and B and the remainder 8 ohm resistor. Hence current in AC =0.5A. This current is equally divided between the 8 ohm resistor in CD and the circuit to the right of CD. Therefore current in the 4 ohm resistor = 0.25 A
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