1. An electric kettle consumes 1 kW of electric power when operated at 220 V. A fuse wire of what rating must be used for it? (a) 1 A (b) 2 A (c) 4 A (d) 5 A
ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
Soln:
Answer is (d) 5 A Explanation: P=V x I
Or 1000 w = 220v x I
I = 1000๐ค
220๐ฃ
= 5 A
= 4.54 A