question_answer 38)

An electric oven of 2 kW power rating is operated in a domestic electric circuit 220 V that has a current rating of 5 A. What result do you expect? Explain.  

Answer:

Rating of the oven = 2 kW Line voltage = 220 V Then, Current drawn by the oven =   Since the domestic circuit is rated for 5 A, and the oven draws a current of 9.1 A, the following might result. (a) The fuse (if there) will blow off. (b) The wiring may burn out.