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प्रश्न
Tick the most appropriate answer.
The surest test of magnetism is
पर्याय
attraction
repulsion
diffusion
hammering
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उत्तर
repulsion
संबंधित प्रश्न
Fill in the blank
Like poles ______ each other and unlike poles _____
You are given two similar bars. One is a magnet and the other is of soft iron. How will you distinguish and identify them ?
Explain the meaning of the term magnetic field ?
Fill in the blank.
Magnetic poles always exist in ...............
Which magnet will you use?
A window shutter opens and shuts continuously in the wind.
A magnet remains steady in a ________ direction.
With whom should I pair up?
| Group 'A' | Group 'B' |
| (a) Compass | 1. The highest magnetic force |
| (b) The door of a cupboard | 2. Like poles |
| (c) Repulsion | 3. A magnet |
| (d) Magnetic pole | 4. A magnetic needle |
Fill the blank spaces in the table given below:
| Nature of bar | Action of compass needle | |
| North Pole | South Pole | |
| Non-magnetic | No action | ________ |
| ________ | attracted | attracted |
| North pole of a bar magnet | ________ | _________ |
| ________ | attracted | repelled |
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic south.
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
Define the following term:
Angle of dip
With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
Magnets are used in _______ for generating electricity.
What is the connection between electricity and magnetism?
The magnetic poles always exist in pairs.
