GETCO Exam Paper (22-07-2015)
In synchronous motor, V-curve is a graph of

Armature current Vs Field current
Armature current Vs power factor
Armature current Vs active power
Armature current Vs reactive power

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GETCO Exam Paper (22-07-2015)
Hopkinson's test is the test to be carried out on

induction motor with synchronous motor
induction motor with any DC motor
two identical DC motors
two identical induction motors

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