Symbols for Components of Electric Circuit
Symbols for Components of Electric Circuit: Overview
This Topic covers sub-topics such as Switch, Electric Circuit, Electric Cell, Switch in On Position, Switch in Off Position, Symbols Used in Electric Circuit, Connecting an Electric Bulb to an Electric Cell and, Design of Torch
Important Questions on Symbols for Components of Electric Circuit
Explain about the parts of an electric torch briefly.
A _____ is device which is used to make and break an electric circuit.
Name the metal used to make the filament of an electric bulb.
In an electric cell, which form of energy is converted into electrical energy?
The above symbol represents a _____ in an electric circuit.
Write the symbols used for switch on and off position.
If the electric current flows from one terminal of the cell through a wire and bulb to the other terminal of the cell, then this loop is called a_____ .
The inventor of the bulb was:
When the circuit is open the current will
Name the instrument used for measuring voltage.
In an open circuit, the electric current passes through an unbroken path.
An electric circuit is the bulb through which electric current flows.
The path through which an electric current flow is called
What is an electric circuit? What are the things required to make an electric circuit?
Draw the symbol for cell, open and closed circuits, battery and bulb.
| Column A | Column B |
| 1. Closed circuit | a. Supplies electricity |
| 2. Ray fish | b. Electricity flow easily |
| 3. Graphite | c. Helps in working of electrical appliances |
| 4. Power house | d. Living organism having electricity |
| 5. Electricity | e. Is a good conductor |
Think for a moment, the world without electricity. There will be no bulb, tube, computer, TV, AC, Refrigerator, fan, cooler, heater, mobile and many more. The list is endless. It is difficult even to imagine modern life without electricity. Electricity has become an integral part of our life. The electricity for homes, offices, factories, industries, etc. is generated at electric power plants. Besides a boon, electricity can be dangerous if handled carelessly. Accidents, fires and injuries can occur unalarmingly. Therefore, extreme caution is required to avoid any mishappening. We should use all the safety precautions recommended for electric connections and devices.
What will be your duty, if you are going to use an electrical device for the first time?
Write the symbols used for switch on and off position.
The device used to close or open an electric circuit is a _____.
