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
Figure shows four cells fixed on a board. Draw lines to indicate how you will connect their terminals with wires to make a battery of four cells.
Longer line in the symbol for cell represents its ______ terminal.
When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks.
Zubeda made an electric circuit using a cell holder shown in Figure, a switch and a bulb. When she put the switch in the ‘ON’ position, the bulb did not glow. Help Zubeda in identifying the possible defects in the circuit.
Select the correct alternative
Electricity can flow through
What is a battery?
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
How many electrons are passing per second in a circuit in which there is a current of 5 A?
Unscramble the following words:
HICWTS
