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प्रश्न
Name four appliances which work using electricity ?
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उत्तर
- an electric iron
- an electric heater
- an electric kattle
- an immersion rod
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संबंधित प्रश्न
Fill in the blank
Like poles ______ each other and unlike poles _____
Describe a simple experiment to illustrate that like poles of two magnets repel each other while the unlike poles attract ?
Answer the following.
Can you bring two similar poles of two different magnetic close together easily? Why?
State if the following statement is true or false. Correct the statement if it is false.
As we move away from a magnet, its attraction power weakens.
State if the following statement is true or false. Correct the statement if it is false.
Whenever a magnet is not in use, it should be stored along with other magnets.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Mark on the diagram the poles of the second magnet,
Define the following term:
Angle of declination
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
