A student has 10 resistors of resistance ‘r’. The minimum re... | PHYSICS - COMBINATION OF RESISTORS - SERIES AND PARALLEL | SolveeIt | Solveeit

Today, August 19

Question

A student has 10 resistors of resistance ‘r’. The minimum resistance made by him from given resistors is

A

10 r

B

$\frac{r}{10}$

C

$\frac{r}{100}$

D

$\frac{r}{5}$

Answer

$\frac{r}{10}$

Explanation

Solution

To obtain minimum resistance, all resistors must be connected in parallel.

Hence equivalent resistance of combination $= \frac{r}{10}$