Advertisements
Advertisements
प्रश्न
Tick the most appropriate answer.
The surest test of magnetism is
विकल्प
attraction
repulsion
diffusion
hammering
Advertisements
उत्तर
repulsion
संबंधित प्रश्न
Write true or false for a given statement.
A current-carrying coil, when suspended freely, can rest in any direction.
Fill in the blank
Like poles ______ each other and unlike poles _____
State two properties of a bar magnet ?
Describe a simple experiment to illustrate that like poles of two magnets repel each other while the unlike poles attract ?
Write true or false of the following statement.
Magnetic poles occur in pairs.
Answer the following in short.
If a bar magnet is placed over iron filings, where will the attraction of the iron fillings be
- maximum?
- minimum?
Answer the following in detail.
Write a short note on the theory of magnetism.
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
Define the following term regarding a bar magnet:
Magnetic equator
How will you do this?
Explain that a magnet has a certain magnetic field.
Which magnet will you use?
You are lost in a forest.
Select the correct option:
The substance which form a strong temporary magnet is:
Describe, how you will proceed to determine the position of the pole of a bar magnet.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Why are E and F placed in contact with the poles of the magnets as shown in the diagram?
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
Since every iron atom is a tiny magnet, why are not all iron bar magnets?
Magnets are used in _______ for generating electricity.
