Advertisements
Advertisements
Question
Draw the symbols of the following circuit components.
electric bulb
Solution
APPEARS IN
RELATED QUESTIONS
Three resistors of resistances R1 , R2 and R3 are connected (i) in series, and (ii) in parallel. Write expressions for the equivalent resistance of the combination in each case.
Match the following
1. | Cell | used to open or close a circuit |
2. | Switch | safety device used in electric circuit |
3. | Circuit | A complete path for the flow of an electric current |
4. | Miniature circuit Breaker | Reset by hand, circuit becomes complete once again |
5. | Fuse | A device which converts chemical energy into electrical energy |
Length: metre scale: : Current: ______
Water can conduct electricity.
Electrical resistivity of a given metallic wire depends upon
Which of the following solutions will not make the bulb glow in figure?
Boojho made the circuit given in the figure and observed that the bulb did not glow. On Paheli’s suggestion, he added one more cell in the circuit. The bulb now glows. Explain.
Which of the following precautions need not be taken while using electric gadgets/appliances/circuits?
In an electric bulb, light is produced due to the glowing of
A torch is not functioning, though contact points in the torch are in working condition. What can be the possible reasons for this? Mention any three.