Current Electricity - Result Question 38
«««< HEAD:content/english/neet-pyq-chapterwise/physics/current-electricity/current-electricity-result-question-38.md
40. $n$ equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistance?
======= ####40. $n$ equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistance?
3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed:content/english/neet-pyq-chapterwise/physics/current-electricity/current-electricity—result-question-38.md (a) $n$
(b) $1 / n^{2}$
(c) $n^{2}$
(d) $1 / n$
[1989]
Show Answer
Answer:
Correct Answer: 40. (c)
Solution:
- (c) In series, $R_s=n R$
In parallel, $\frac{1}{R_p}=\frac{1}{R}+\frac{1}{R}+\ldots n$ terms
$\therefore R_s / R_p=n^{2} / 1=n^{2}$
