7.Why and when does a current carrying conductor kept in a magnetic field experience force? List the factors on which direction of this force depends?
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1.Force on a current carrying conductor placed in a uniform magnetic field.
F = ilbsin(theta) ,
Direction of this force is determined by
Right hand palm Rule or Flemings left hand rule.
2. Force between two parallel current carrying long wires.
Force per unit length = F/l= mu(nought)×i1×i2/2×pi×d
Direction of this force is determined by
Right hand palm Rule and magnetic field and current determined by right hand thumb rule.
3. Force on +ve Charge determined by Flemings left hand rule. In case of -ve Charge only the direction of force will be reversed.
4.Induced current or Eddy current in the bulk conductor is determined by Flemings Right hand rule.
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