MATHEMATICS · Single correct · A Level · Mathematics · Quantities and units in mechanics · Quantities and units in mechanics
Problem
A refrigerator rated 400 W, an LED television rated 150 W, and a mixer-grinder rated 750 W are to be operated simultaneously on a 220 V household circuit. What is the minimum current rating of the fuse that should be used to protect this circuit?
(a) 5 A
(b) 6 A
(c) 3 A
(d) 15 A