Principle Operation of D.C. Motor - MCQs with Answers

Principle Operation of D.C. Motor - MCQs with Answers

Q1. The generating action and motoring action in d.c. motor is determined by

a. Fleming’s left hand rule, Fleming’s right hand rule
b. Both by Fleming’s left hand rule
c. Both by Fleming’s right hand rule
d. Fleming’s right hand rule, Fleming’s left hand rule

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Q2. In a practical motor, to reverse the direction of rotation

a. Reverse the direction of main field produced by the field winding
b. Reverse the direction of current passing through the armature is reversed
c. Either (a) or (b)
d. None of these

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