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प्रश्न
What is a natural magnet? State two limitations of a natural magnet.
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उत्तर
The pieces of lodestone found in nature are called the natural magnets. Limitations of a natural magnet are as listed below:
(i) They are irregular and odd shaped.
(ii) They are not magnetically very strong.
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संबंधित प्रश्न
What are the two ways in which you can trace the magnetic field pattern of a bar magnet?
A strong bar magnet is placed vertically above a horizontal wooden board. The magnetic lines of force will be:
(a) only in horizontal plane around the magnet
(b) only in vertical plane around the magnet
(c) in horizontal as well as in vertical planes around the magnet
(d) in all the planes around the magnet
An electron beam enters a magnetic field at right angles to it as shown in the Figure.
The direction of force acting on the electron beam will be:
to the left
to the right
into the page
out of the page
What do you understand by the term magnetic field lines?
In following figure, draw at least two magnetic field lines between the two magnets.
(a) 
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?
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.
The relative strength of the magnetic field at a point in the space surrounding the magnet is shown by the ____________.
The magnetic field is the strongest at ____________.
______ is the number of magnetic field lines passing through a given area.
