write difference between solenoid and bar magnet? easy and simple wording
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A solenoid is a cylindrical coil of wire whose diameter is small compared to its length.An electromagnet is a solenoid wound around a central iron core. The magnetic field generated by the coil of wire magnetizes the core, increasing the total magnetic field.
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Answer:-
Solenoid:-
- They are temporarily magnetized.
- A solenoid can produce very strong magnetic force. The polarity of a solenoid can be reversed by changing the direction of current in its coil.
- It can easily be demagnetized by switching off the current.
- It produces a magnetic field as long as there is current flow.
- They are usually made from soft iron/steel.
- The strength of solenoid depends upon the quantity of flow of current.
Bar Magnet:-
- They are permanently magnetized.
- A bar magnet produces a comparatively weak force of attraction. The polarity of a bar magnet is fixed and cannot be reversed.
- It cannot be easily be demagnetized.
- It produces a permanent magnetic field.
- They are usually made from hard iron/steel.
- The strength of bar magnets depends upon the nature of the material used in its creation.
Explanation:-
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