Question

Find the equivalent resistance between a and b.
Please help ASAP. Thank you.

Answer 1

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THIS IS A QUESTION OF WHEAT STONE BRIDGE ...

NO CURRENT WILL FLOW FROM 10 OHM RESISTANCE.

NOW, RESISTANCE 4 AND 8 ARE IN SERIES...

R1 = 4 + 8 = 12 OHM

ALSO RESISTANCE 2 AND 4 ARE IN SERIES. .
R2 = 2 +4 =6 OHM

AND THERE RESULTANT ARE PARALLEL TO EACH OTHER...
R ( equi) = 1/12 + 1/6

R = 4 OHM


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