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प्रश्न
Fig. 13.6 shows a magnetic campass. What will happen to the position of its needle if you bring a bar magnet near it? Draw a diagram to show the effect on the needle on bringing the bar magnet near it. Also draw the diagram to show the effect when the other end of the bar magnet is brought near it.
उत्तर
There will be deflection in the needle of the magnetic compass. The figure below demonstrates the working of the magnetic compass:
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संबंधित प्रश्न
Write true or false of the following statement.
A magnet can attract only a magnetic substance.
How can magnetic properties of a magnet be destroyed?
Answer the following.
What are artificial magnets?
Answer the following.
What is meant by the directional property of magnets?
Give a reason for the following.
The directive property of magnets is used in a compass.
What happens when N-pole of a magnet is brought near the N-pole of a suspended magnet?
It is said that repulsion is a sure test for magnetism. Why is it so?
You are given two rods. Out of these, one is an iron rod and the other one is magnet, how will you identify these rods?
Match the following:
| 1. | Directive property | a. | Never intersect |
| 2. | Magnetic poles | b. | Magnetic compass |
| 3. | Lines of force | c. | Attract |
| 4. | Unlike poles | d. | Exist in pairs |
Match Column I with Column II (One option of A can match with more than one option of B)
| Column 1 | Column II | ||
| (a) | Magnet attracts | (i) | rests along a particular direction |
| (b) | Magnet can be repelled | (ii) | iron |
| (c) | Magnet if suspended freely | (iii) | another magnet |
| (d) | Poles of the magnet can be identified by | (iv) | iron filings |
