what means celenoid? How does a current carry calenoid behave? Give its main use?
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A cylindrical coil of wire acting as a magnet when carrying electric current.A current carrying solenoid induces a magnetic field around it.A solenoid has a large number of close, insulated circular turns. The magnet at the centre of current carrying circular wire is along the axis; so when current is passed in a solenoid, the magnetic fields due to all circular turns are added and hence the field line becomes just as for a bar magnet. Solenoids are most commonly used as electromagnets.
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Behaved :- Conducting oneself in a specified way.
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