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.Management Sciences
Category: Electrical Engineering Mcqs
Commonly used conducting materials are_____________?
0
A. copper
B. aluminium
C. both (A) and (B)
D. copper and silver
E. platinum and gold
Value of εr for various dielectrics is always________________?
A. Less than unity
B. Equal to the unit
C. Larger than unit
D. No hard and fast rule
A linear resistor having 0 < R < °o is a______________?
A. current controlled resistor
B. voltage controlled resistor
C. both current controlled and voltage controlled resistor
D. none of the above
Which of the following motors is used for unity power factor ?
A. Hysteresis motor
B. Schrage motor
C. Universal motor
D. Reluctance motor
The alternating current has frequency of 106 Hz in such a way that time period for completion of cycle is_______________?
A. 1Hzs
B. 1.5Hzs
C. 106sec
D. 1sec
Any externally introduced signal affecting the controlled output is called a______________?
A. feedback
B. stimulus
C. signal
D. gain control
In a D.C. generator, the iron losses mainly take place in___________/
A. yoke
B. commutator
C. armature conductors
D. armature rotor
By which of the following a bus-bar is rated?
A. Current only
B. Current and voltage
C. Current, voltage and frequency
D. Current, voltage, frequency and short time current
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