Question

what is solenoid? compare the magnetic field produced by a solenoid with the magnetic field of bar magnet .draw neat figures and name various components​

Answer 1

On comparing field lines produced by a solenoid with that produced by a bar magnet, we observe that they are very much identical. Thus, a solenoid acts as a bar magnet when current is passed through it.

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Answer 2

$\underline{ \pink{ \sf \: Solenoid}}$

$\longrightarrow$ A solenoid is a long, straight insulated wire like a copper coil, which is often wrapped around a cylinder-shaped body.

$\longrightarrow$ The diameter of a solenoid is lesser than its length.

$\longrightarrow$ It produces a magnetic field when current is passing through it.

$\longrightarrow$ The magnetic field is stronger inside the hollow solenoid than outside.

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Draw the magnetic field produced by a solenoid.

Image: 1

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Draw the magnetic field produced by a simple magnet.

Image: 2

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Compare the magnetic fields produced by a solenoid and a bar magnet.

$\leadsto$ The field lines produced by a solenoid and a bar magnet are very identical. This proves the fact that a solenoid acts as a bar magnet, with opposite poles when an electric current is passed through it.