Physics

Problem

In a large building, there are 15 bulbs of 40 W, 5 bulbs of 100 W, 5 fans of 80 W and 1 heater of 1 kW. The voltage of electric mains is 220 V. The minimum capacity of the main fuse of the building will be: a. 8 A b. 10 A c. 12 A d. 14 A

Browse the problem library