Calculate the effective resistance between a and b
Asked by admin @ in Physics viewed by 265 People
. Find the effective resistance between A and B.
Answered by admin @
Answer:
Explanation:
Find the effective resistance between A and B.
Top Most Picture
3 1 Ω Resistance in Parallel
so Net resistance of 3 1 Ω Resistance in Parallel = 1/(1/1 + 1/1 + 1/1) = 1/3
Resistance between A & B = 1/3 + 1 + 1/3 = 7/3 Ω
7/3 Ω
Middle Picture
3 Ω & 3 Ω are in series = 6Ω
Then 6Ω & 6Ω are in Parallel
so Resistance between A & B = 1/(1/6 + 1/6) = 6/2 = 3Ω
3Ω
Bottom one Picture
2 Ω & 2 Ω are in Parallel = 1/(1/2 + 1/2) = 1Ω
so Resistance between A & B = 1 + 1 + 2 = 4Ω
4Ω
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