Question

A potentiometer wir has a tesistance 40ohm and its lenthg is 10m

Answer 1

Answer:

⚠ _ Hello _ ⚠

Explanation:

⚫ Solution ⤵

$r \: = > \frac{l}{a} \\ 40 = > \frac{10}{a} \\ a \: = > \frac{10}{40} \\ \\ a = > \frac{1}{4} m$

❇ Hope it's help❇