Advertisements
Advertisements
प्रश्न
State the function of each of the following in an electric circuit and draw its symbolic representation: (1) Switch and (2) Cell.
Advertisements
उत्तर
Switch – A switch or key is used to put the circuit on and off. fig. shows the symbol of a switch or key when it is open (to put the circuit off and when it is closed (to put the circuit on)
Cell – A cell or a group of cells is generally used as a source of electricity. A positive (+) and a negative (-). It is represented by the two vertical lines of unequal lengths. The long vertical line represents the positive terminal and the short line represents the negative terminal as shown in fig
APPEARS IN
संबंधित प्रश्न
Draw the circuit diagram to represent the circuit shown in the figure.
To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell.
When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks.
An electrician is carrying out some repairs in your house. He wants to replace a fuse by a piece of wire. Would you agree? Give reasons for your response.
Write true or false for a given statement.
Wool is a conductor of electricity.
Draw a circuit diagram for a bulb connected to a cell with a switch. Mark arrow in the diagram to indicate the direction of flow of current.
Mark the correct choice
- Assertion: In a simple battery circuit the point of highest potential is the positive terminal of the battery.
- Reason: The current flows towards the point of the highest potential
______ is an instrument used in electric circuits to find the quantity of current flowing through the circuit.
Draw the symbols of the following circuit components.
Electric cell
Visit an electric shop. Request an electrician to show you the various types of fuses and MCB and to explain how they work.
