A house has five 60 W lamps and one 1000 W heater, all working together on a 220 V supply. Calculate the total current drawn and state a suitable fuse rating.
Household Circuits
Original Khojo Papers practice question — not from a past board paper.
green with a yellow stripe
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Brown is live and blue is neutral in the same convention.
From the same topic and chapter, at a similar level.
A house has five 60 W lamps and one 1000 W heater, all working together on a 220 V supply. Calculate the total current drawn and state a suitable fuse rating.
Household Circuits
What is the function of the earth wire and how does it protect the user?
Household Circuits
State two advantages of a miniature circuit breaker over a fuse.
Household Circuits
Why is a three-pin plug preferred to a two-pin plug for a metal-bodied appliance?
Household Circuits
Why is a fuse always connected in the live wire and never in the neutral wire?
Household Circuits
Name the three wires of a domestic supply and state the colour of each in the modern convention.
Household Circuits