Advertisements
Advertisements
प्रश्न
Why is an electric fuse required in all electrical appliances?
Advertisements
उत्तर
An electric fuse is required in all electrical appliances because it is a safety device and checks the excessive flow of electric current.
APPEARS IN
संबंधित प्रश्न
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 |
Water can conduct electricity.
Give a reason for the following.
One should not use an umbrella while crossing an open field during thunderstorm.

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.
Which of the following precautions need not be taken while using electric gadgets/appliances/circuit?
Why are compact fluorescent lamps (CFLs) preferred over electric bulbs?
Electricity produced on rubbing is ______.
A tiny particle that rotates around the nucleus of an atom is ______.
