An armature composed of turns of insulated copper wire wound on a laminated soft- iron core is rotated in a magnetic field to generate an...

      

An armature composed of turns of insulated copper wire wound on a laminated soft- iron core is rotated in a magnetic field to generate an e.m.f. Use this information to answer the following questions.

(a) State two factors other than the speed of rotation that affect the magnitude of the e.m.f generated.
(b) State the reason why soft- iron is laminated.

  

Answers


Wilfred
a) -Number of turns or number of coils.
-Strength of magnetic field.
-Angle of inclination

b) To reduce eddy current in the armature
Wilfykil answered the question on March 26, 2019 at 05:10


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