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in Current Electricity by (26.1k points)
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n equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistance?
(a) n
(b) 1/n2
(c) n2
(d) 1/ n

1 Answer

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Best answer

(c)  n2

Explanation: In series Rs = nR

In parallel \(\frac{1}{Rp}=\frac{1}{R}+\frac{1}{R}\) ….n terms, Rp = \(\frac{R}{n}\)

∴ \(\frac{Rs}{Rp}=\frac{n^2}{1}\).

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