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  • What is a solenoid ? Draw the pattern of magnetic field lines of (i) a current carrying solenoid and (ii) a bar magnet. List two distinguishing features between the two fields.     </di

What is a solenoid ? Draw the pattern of magnetic field lines of (i) a current carrying solenoid and (ii) a bar magnet. List two distinguishing features between the two fields. 

 

 

 

 
 
 
 
 

Answers (1)

Solenoid is a cylindrical coil of wire acting as a magnet when carrying electric current.

Two distinguishing features are –

  1. Magnetic field outside the magnet is negligible as compared to the bar magnet.
  2. Magnetic field of solenoid can be varied as per our requirement just by changing current or core of solenoid but in bar magnet it is fixed.

             

Posted by

Sumit Saini

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