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Physics

(a) Name two factors on which the force experienced by a conductor carrying current, placed in a magnetic field, depends. Also, state how these factors affect the force.

(b) With the help of which rule you can determine the direction of force acting on a current carrying conductor placed in a magnetic field?

Electro-Magnetism

ICSE 2022

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Answer

(a) Experimentally, it is found that the magnitude of force acting on a current carrying conductor placed in a magnetic field in the direction perpendicular to it's length, depends on the following factors —

  1. The force F is directly proportional to the strength of magnetic field B, i.e., F α B
  2. The force F is directly proportional to the current I flowing in the wire, i.e., F α I

(b) Fleming's left hand rule.

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