Calculate the current drawn by an appliance rated 110 W, 220 V

Electricity and Magnetism (10)

Calculate the current drawn by an appliance rated 110 W, 220 V when connected across 220 V supply.

Answer

P = VI

110 = 220 x I

I = 110/220

= 1/2

= 0.5 A

• Exam Year: 2020