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प्रश्न
What are the properties of a magnet?
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उत्तर
Following are the properties of the magnet:
(i) Like poles of a magnet repel each other while unlike poles attract.
(ii) Magnet have an attractive property means it attract the magnetic material towards it.
(iii) Magnet have the directive property means when it is held freely, it always points towards north-south direction.
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संबंधित प्रश्न
What is a magnetic field?
What is an artificial magnet? State two reasons why do we need artificial magnets .
Explain the following :
The north end of a freely suspended magnetic needle gets attracted towards a piece of soft iron placed a little distance away from the needle.
What do you understand by the term magnetic field lines?
Explain why iron filings which are sprinkled on a sheet of cardboard placed over a bar magnet take up a definite pattern when cardboard is slightly tapped.
Complete the following sentence :
If the field lines in a magnetic field are parallel and equidistant, the magnetic field is __________ .
Draw magnetic field lines produced around a current-carrying straight conductor passing through cardboard. Name, state and apply the rule to mark the direction of these field lines.
A dry cell can supply a charge of 800 C. If continuous current of 8.0 mA is drawn, calculate the time in which cells will discharge completely.
Describe two methods of determining the arrangement of the lines of force in the field close to a bar magnet. Give a brief explanation of each method.
Complete the following diagram of magnets to show the lines of force.
