Electrical Machines
A motor armature conductor of length 0.5 m is exposed to a flux density of 4 Wb / m2. Calculate the force experienced by the conductor, when the armature current is 5 Amp?

  Can't be determined.
  15 N.
  None of these.
 20 N.

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Electrical Machines
In the 3-phase induction motor, the resultant flux is of a constant nature and is

 1/2 times maximum value of flux due to any phase
 3 times maximum value of flux due to any phase
 3/2 times maximum value of flux due to any phase
 equal to φm, where φm is the maximum flux due to any phase

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