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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
Define magnetic field lines. Describe an activity to draw a magnetic field line outside a bar magnet from one pole to another pole.
The magnetic field lines produced by a bar magnet:
(a) originate from the south pole and end at its north pole
(b) originate from the north pole and end at its east pole
(c) originate from the north pole and end at its south pole
(d) originate from the south pole and end at its west pole
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
A portable radio has a built-in transformer so that it can work from the mains instead of batteries. Is this a set-up or step down transformer?
In a uniform magnetic field, the field lines are:
Write a note on the 'magnetic field'.
Define the agonic line.
What are the properties of a magnet?
Inside the magnet, the field lines moves ____________.
Define magnetic field lines of force.
