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|Can someone please help me with the following physics questi
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|Author:||klow [ Sun Oct 08, 2017 6:09 pm ]|
|Post subject:||Can someone please help me with the following physics questi|
Can someone please help me with the following physics question?Can someone please help me with the following physics question?
In her living room, Felicity has the following items:
-three 100 W lamps
-a TV that takes 2 A
-an audio system that takes 1 A
-a 2 kW electric heater
-A 3 kW air conditioning unit
The whole room is supplied from a 220 V a.c. power supply through one miniature circuit breaker (MCB) . What rating of MCB should she fit, if the values of 10 A, 20 A, 30 A, 40 A, 50 A and 60 A are available?
( 2 marks)
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