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प्रश्न
State the laws of magnetism.
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उत्तर
The Laws of Magnetism: Like poles repel each other and unlike poles attract each other.
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संबंधित प्रश्न
You are given a magnet. How will you use it to find north-south direction at a place?
“Poles exist in pair”. Comment on this statement ?
What is the magnetic induction? Explain with the help of a diagram.
How will you do this?
Determine whether a material is magnetic or non-magnetic.
Which magnet will you use?
A window shutter opens and shuts continuously in the wind.
When magnetic material is taken close to a magnet, the material acquires ______.
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
Give scientific reason:
Not attraction but repulsion is a sure test of magnetism.
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
Match the following:
| 1. | Electricity and magnetism | a. | Step-down transformer |
| 2. | Force on the conductor | b. | Hans Christian Oersted |
| 3. | Electric bell | c. | I LB |
| 4. | Ns <Np | d. | Electromagnet |
