If the current in the coil is anticlockwise, then the face of the coil towards the observer will:

  1. Attract north pole of the magnet
  2. Attract south pole of the magnet
  3. Repel south pole of the magnet
  4. None of these

Answer (Detailed Solution Below)

Option 2 : Attract south pole of the magnet
Free
Electric charges and coulomb's law (Basic)
10 Qs. 10 Marks 10 Mins

Detailed Solution

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CONCEPT:

Magnetic field:

  • A magnetic field is a vector field in the neighborhood of a magnet, electric current, or changing electric field, in which magnetic forces are observable.

Magnetic field intensity:

  • Magnetic field intensity at any point in the magnetic field is defined as the force experienced by the unit north pole at that point.

When current flows in the coil, then its ends act as the north and the south pole. 

  • If the current in the coil is clockwise, the face of the coil towards the observer behaves as the south pole and if the current in the coil is anti-clockwise, the face of the coil towards the observer behaves as the north pole.

EXPLANATION:

  • We know that if the current in the coil is clockwise, the face of the coil towards the observer behaves as the south pole and if the current in the coil is anti-clockwise, the face of the coil towards the observer behaves as the north pole.
  • When the current in the coil is anticlockwise, then the face of the coil towards the observer will act as a north pole, so it will attract the south pole and repel the north pole. Hence, option 2 is correct.

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