Question

n equal resistors are first connected in series and then in parallel. The ratio of the equivalent resistance in two cases is

(a) n

(b) \(\frac{1}{n^2}\)

(c) n²

(d) \(\frac{1}{n}\)

Answer 1

(c) n²

Required ratio = \(\frac{nR}{\frac{R}{n}}\) = n(c) n²