Question -
In the circuit shown in figure the current through      Â
Options:
A .  the current in 3 ohm resistor is 0.5 A
B .  the current in 3 ohm resistor is 0.25 A
C .  the current in 4 ohm resistor is 0.5 AÂ
D .  the current in 4 ohm resistor is 0.25 A
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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