Question

4 An electric bulb draws a current of 2.5A when connected to a supply of 200 V. What is the resistance
of the filament of the bulb

Answer 1

We can use V=IR here.

So, R = V/I

= 200/2.5 = 80 ohms

The Resistance of the filament of the bulb is 80 ohms

hope it helps buddy :)