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Explain the  activity  to show the end is produced  along the straight current carrying conductor  
Asked by kavithakavitha42724 | 27 May, 2020, 01:19: PM
answered-by-expert Expert Answer
Activity to show that the magnetic field is produced along the straight current carrying conductor - 
 

  1. Take a thick straight conductor XY and pass it through the centre of a thick cardboard. 
  2. Pass current through the conductor such that it flows from X to Y. 
  3. Sprinkle some iron filings on the cardboard and gently tap. You will see that the iron filings arrange themselves in concentric circles around the wire.
  4. These concentric circles represent the magnetic field lines. 
  5. To know the direction of the magnetic field, we plot the field lines with the help of a compass needle. The North pole of the compass points in the direction of the field at any point. The direction of these field lines is clockwise. 
  6. If the direction of current is reversed, these field lines are anticlockwise 

Answered by Shiwani Sawant | 27 May, 2020, 08:54: PM

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