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प्रश्न
Complete the following diagram of magnets to show the lines of force.
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उत्तर
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संबंधित प्रश्न
Explain why, a freely suspended magnet always points in the north-south direction.
The shape of the earth's magnetic field resembles that of an imaginary:
(a) U-shaped magnet
(b) Straight conductor carrying current
(c) Current-carrying circular coil
(d) Bar magnet
Fill in the following blank with suitable words:
The lines of ........... round a straight current-carrying conductor are in the shape of ...........
How will you test whether a given rod is made of iron or copper?
[Hint : Iron rod gets magnetised when placed near a bar magnet by magnetic induction, while copper rod does not get magnetised]
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.
Figure. shows a bar magnet placed on the table top with its north pole pointing towards south. The arrow shows the north-south direction. There are no other magnets or magnetic materials nearby.
What is the magnitude of the magnetic field at each neutral point? Give a reason for your answer.
A charge of 5000 C flows through an electric circuit in 2 hours and 30 minutes. Calculate the magnitude of current in a circuit.
What do you meant by the term pole of a magnet? Magnetically speaking, what is the difference between a piece of brass, a piece of soft iron, and a piece of lode- stone?
Complete the following diagram of magnets to show the lines of force.
Write the properties of magnetic lines of force.
