Equivalent resistance on each side – | PHYSICS - COMBINATION OF RESISTORS - SERIES AND PARALLEL | SolveeIt | Solveeit

Today, August 19

Question

Equivalent resistance on each side –

A

$\frac{7}{12}$ R

B

$\frac{3}{4}$ R

C

$\frac{7}{5}$ R

D

$\frac{5}{6}$ R

Answer

$\frac{7}{5}$ R

Explanation

Solution

⇒ R' || R = $\frac{7R}{12}$ ⇒ $\frac{1}{R'}$ + $\frac{1}{R}$ = $\frac{12}{7R}$ ⇒ R' = $\frac{7R}{5}$