Advertisements
Advertisements
प्रश्न
Name any two effects of electric current.
Advertisements
उत्तर १
The two effects of electric current are:
- Heating effect of electric current.
- Magnetic effect of electric current.
उत्तर २
Electric current has the following effect:
- Electric current can give rise to heating and lighting.
- Electric current can convert a straight conductor into a temporary magnet.
APPEARS IN
संबंधित प्रश्न
Give two reasons why nichrome alloy is used for making the heating elements of electrical appliances.
Identify the figure and give its use.

Statement 1 : Electric current ( flow of electrons ) creates heat in the resistor.
Statement 2 : Heat in the resistor is created according to the rule of energy conservation.
Explain Statement 1 with the help of Statement 2.
Answer the following question:
what is the heating effect of the electric current? state any four applications of it?
In an electric bulb, coil of _______ metal is used.
What is used to turn off the sudden increase in current in the electrical circuit of the house nowadays?
True or False – If False give the correct answer
The fuse wire does not melts whenever there is overload in the wiring.
Which of the following is correct?
Name the effect of the current responsible for the glow of the bulb in an electrical circuit.
Two students decided to investigate the effect of water and air on iron object under identical experimental conditions. They measured the mass of each object before placing it partially immersed in 10 ml of water. After a few days, the object were removed, dried and their masses were measured. The table shows their results.
| Student | Object | Mass of Object before Rusting in g |
Mass of the coated object in g |
| A | Nail | 3.0 | 3.15 |
| B | Thin plate | 6.0 | 6.33 |
What might be the reason for the varied observations of the two students?
