Question

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Answer 1

Total resistance = A combination of 4 Ohm and 2 Ohm in series + A combination of 4 Ohm and 2 Ohm in series, and both these combinations are in parallel with each other

1/Re = 1/(4+2) + 1/(4+2)

1/Re = 1/6 + 1/6

1/Re = 1/3

Thus effective resistance of the combination is 3 ohms

Answer 2

Answer:

ans for this eqv. circuit is 3 ohm

(solution above)