KCET2009PhysicsCurrent Electricity
An electric heater rated 220 ~V and 550 ~W is connected to AC mains. The current drawn by it is
Options
- A0.8 ~A
- B2.5 ~A
- C0.4 ~A
- D1.25 ~A
Correct answer
B. 2.5 ~A
Step-by-step solution
I= P V = 550 220 =2.5 ~A