A conductor of length 2m carries a current of 0.8A while kept in a magnetic…

Physics JAMB 2000

A conductor of length 2m carries a current of 0.8A while kept in a magnetic field of magnetic flux density 0.5T. The maximum force acting on it is

  • 0.2N
  • 0.8N checkmark
  • 3.2N
  • 8.0N

The correct answer is: B

Explanation

The force on the conductor is maximum when the conductor lies perpendicular to the field during which the maximum force is given as;
F = ILB = 0.8 x 2 x 0.5 = 0.8N

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