Advertisements
Advertisements
Question
Which property of a conducting wire is utilised in making electric fuse?
Advertisements
Solution
A conducting wire should have a low melting point if it is utilised in making an electric fuse.
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.
One unit of coulomb is charge of approximately ______ protons or electrons.
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: ______
Explain the construction and working of an Telephone.
Water can conduct electricity.
Which of the following solutions will not make the bulb in figure?
Name the effect of current responsible for the glow of the bulb in an electric circuit.
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.
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.
