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प्रश्न
Distinguish between
Magnetic properties of iron and steel.
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उत्तर
Iron has high susceptibility and low retentivity means it acquires the magnetism faster and removes it soon as well. While , steel has low susceptibility and high retentivity.
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संबंधित प्रश्न
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
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
The magnetic field inside a long straight solenoid carrying current ______.
In the straight wire A, current is flowing in the vertically downwards direction whereas in wire B the current is flowing in the vertically upward direction. What is the direction of magnetic field:
(a) in wire A?
(b) in wire B?
Name the rule which you have used to get the answer.
What conclusion is drawn regarding the magnetic field at a point if a compass needle at that point rests in any direction? Give reason for your answer.
Select the correct option:
The magnetic strength of a bar magnet is:
The relative strength of the magnetic field at a point in the space surrounding the magnet is shown by the ____________.
The magnetic field lines always begin from ____________.
______ is the number of magnetic field lines passing through a given area.
