Advertisements
Advertisements
प्रश्न
Name the effect of current responsible for the glow of the bulb in an electric circuit.
Advertisements
उत्तर
Heating effect of electric current is responsible for the bulb to glow in an electric circuit. Due to heating effect, the filament of the bulb gets heated to a high temperature and it starts glowing.
APPEARS IN
संबंधित प्रश्न
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 |
Explain the construction and working of an Telephone.
Give a reason for the following.
One should not use an umbrella while crossing an open field during thunderstorm.
A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of Figure. The current recorded in the ammeter will be
 |
 |
 |
| (i) | (ii) | (iii) |
Electrical resistivity of a given metallic wire depends upon
Which of the following solutions will not make the bulb in figure?
Why are compact fluorescent lamps (CFLs) preferred over electric bulbs?
Why is an electric fuse required in all electrical appliances?
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.
