A household circuit already powers a washing machine rated 1000 W and a refrigerator…
PHYSICS · Single correct · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current
Problem
A household circuit already powers a washing machine rated 1000 W and a refrigerator rated 200 W, both at 230 V. An electric heater rated 1500 W is about to be plugged into the same circuit. To allow the washing machine and refrigerator to operate safely but to disconnect the circuit if the heater is also switched on, which fuse should be chosen?
(a) 8A
(b) 15A
(c) 10A
(d) 5A