Advertisements
Advertisements
प्रश्न
Which of the following solutions will not make the bulb glow in figure?
पर्याय
Sodium chloride
Copper sulphate
Silver nitrate
Sugar solution in diluted water
उत्तर
Sugar solution in diluted water
Explanation -
Sugar solution in diluted water does not make ions and is a poor conductor of electricity. Therefore, it will not make the current to flow through it and the bulb will not glow.
APPEARS IN
संबंधित प्रश्न
Two identical resistros of `12 Omega` each are connected to a battery of 3V . Calculate the ratio of the power consumed by the resulting combinations with minimum resistance and maximum resistance.
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.
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) |
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.
Which of the following precautions need not be taken while using electric gadgets/appliances/circuits?
Which property of a conducting wire is utilised in making an electric fuse?
Why are compact fluorescent lamps (CFLs) preferred over electric bulbs?