Derive the formula for equivalent resistance when three resistancesare

1.	Derive the formula for equivalent resistance when three resistancesare connected in parallel.
Answer» Answer: Add their values (R = R1 + R2 + …) and represent them by a SINGLE resistance. Look at the parallel banches between the nodes and find their equivalent (by ADDING the reciprocals (1/R = 1/R1 + 1/R2 + ….). In a COMPLEX NETWORK you might be left with a few effective resistances in SERIES - if so add them.

Derive the formula for equivalent resistance when three resistancesare connected in parallel.

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Answer:

Add their values (R = R1 + R2 + …) and represent them by a SINGLE resistance. Look at the parallel banches between the nodes and find their equivalent (by ADDING the reciprocals (1/R = 1/R1 + 1/R2 + ….). In a COMPLEX NETWORK you might be left with a few effective resistances in SERIES - if so add them.

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Derive the formula for equivalent resistance when three resistancesare connected in parallel.​

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Derive the formula for equivalent resistance when three resistancesare connected in parallel.