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4 cards from this section. Quick, good the night before a test.
What devices are typically connected to the lighting circuit?
Consider devices that require less power.
What is the purpose of a fuse?
Think about what happens when too much current flows.
What circuits are found in households?
Think about the types of appliances they power.
True or False: An MCB can be reset after it trips.
Consider the functionality difference between MCBs and fuses.
A house has three circuits: lighting circuit for 6 bulbs at 40W each, and a power circuit with 2 devices at 1000W each. Calculate the total wattage of the circuits. Suggest what might happen if a 2000W appliance is added to the power circuit.
Be sure to consider the total power ratings before plugging in new appliances.
If a household requires separate circuits for lighting and power, how would you redesign a home with a single circuit currently? Discuss the implications and necessary changes.
Think about the capacity each breaker and circuit should hold.
5 more questions in this section. Enroll free to practise them all.
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