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प्रश्न
Artificial magnets are made in different shapes such as ______, _____ and _______.
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उत्तर
Artificial magnets are made in different shapes such as Bar-magnet, Horseshoe magnet, and Ring magnet.
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संबंधित प्रश्न
“Poles exist in pair”. Comment on this statement ?
Name four appliances which work using electricity ?
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?
Define the following term regarding a bar magnet:
Magnetic field
Answer the following in detail.
Write a short note on the theory of magnetism.
Define the following term regarding a bar magnet:
Effective length
The alloys called ______ and ______ are used for making industrial magnets.
Distinguish between the two methods of making artificial magnets.
Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
Define the following term:
Magnetic meridian
Define the following term:
Angle of dip
Give scientific reason:
Not attraction but repulsion is a sure test of magnetism.
Draw the magnetic field lines around a bar magnet when a bar magnet is placed such that the N pole points North.
Which is not attracted by a magnet?
What will happen when we place magnets near cell phones, computers, and DVDs?
The pole of a freely suspended magnet that points towards the north is called the south pole and what points towards the south is the celled north pole.
