1.

n resistors, each of resistance R are first connected in series and then in parallel. What is the ratio of the total effective resistance of the circuit in the series to the parallel combination?

Answer»

SOLUTION : In the SERIES COMBINATION, `R_s = NR`
In the PARALLEL combination, `R_p = R/n`
`:. R_s/R_p =(nR)/(R//n) =n^2`


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