For the circuit shown below:
The equivalent conductance Geq is ___
A
10 S
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B
3.72 S
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C
8 S
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D
6 S
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Solution
The correct option is A 10 S The 8 S and 12 S are in parallel;
8S+12S=20S
The 20 S is now in series with 5 S; 20S×5S20S+5S=4S
This 4S is in parallel with 6S,
Hence, Geq=10S