. Awer the following questions
1. What is an electrical circuit
Why are the household electric wires covered with plastic or rubber?
What are electric dements? Draw the symbols of the following electric cements
unable resistance
(1) one way switch () an electric cell
What is a dosed electric circuit? Which electric element should be used so as to open the
closed doctric circuit?
5. What is the use of the following electric elements in an electric circuit?
Galvanometer (11Voltmeter (III) Ammeter
6. Which materials produce heat energy when electric current is passed through them and why?
Name four devices in which only heating effect of current is used.
8. Ar what temperature does heat energy start changing to light energy?
9. What is a fuse?
Answers
Answer:
1. Electric circuit, path for transmitting electric current. An electric circuit includes a device that gives energy to the charged particles constituting the current, such as a battery or a generator; devices that use current, such as lamps, electric motors, or computers; and the connecting wires or transmission lines.
2 Most electrical wire is covered in a rubber or plastic coating called insulation. ... The purpose of insulation covering the metal part of an electrical wire is to prevent accidental contact with other conductors of electricity, which might result in an unintentional electric current through those other conductors.
3. Electricity demand is measured in kilowatts (kW) and represents the rate at which electricity is consumed. Electricity consumption, on the other hand, is measured in kilowatt-hours (kWh) and represents the amount of electricity that has been consumed over a certain time period.
Answer:
this of your 1 questions answer
