Domestic Electric Circuits
Domestic Electric Circuits: Overview
This topic covers concepts, such as, Domestic Electric Circuit, Schematic Diagram of Common Domestic Circuits, Electricity Meter, Earth Wire, Live Wire, Neutral Wire, Short-Circuiting, Fuse & Uses of Fuse etc.
Important Questions on Domestic Electric Circuits
State what happens to the current in the circuit in the case of a short circuit. Give a reason for your answer.
Direct contact between which of the three coloured wires will result in a short circuit?
The frequency of AC in some countries is . What does this mean?
Is it possible to prevent the wire/ appliance from melting by controlling the value of current through it?
Give any one reason for short circuit.
Why is the voltage of neutral wire zero?
At what potential and frequency are the domestic electric circuits operated?
Where should be the safety devices such as fuse, MCB, etc. be connected in a circuit? Will it be before or after the electricity meter in the house?
A galvanometer is used to measure the electrical energy usage of our house.
Electricity usage of the house is measured by _____.
The safety devices such as fuse, MCB, etc. are connected before the electricity meter in the house.
State the use of electricity meter.
What is fuse wire? What is its use?
The _____ effect of electric current is used in the working of an electric fuse.
Smart plugs collects information about _____ usage of appliances.
Smart light with motion detector can save the energy by controlling the LED lights.
Smart power strip prevents the household appliances from wasting power.
An electrical connection which is not complete with a broken path is known as _____ circuit.
