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.Management Sciences
Category: Electrical Engineering Mcqs
An ideal OP-AMP is an ideal__________?
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A. Current controlled Current source
B. Current controlled Voltage source
C. Voltage controlled Voltage source
D. Voltage controlled Current source
The material commonly used for sheaths of underground cables is______________?
A. lead
B. rubber
C. copper
D. iron
is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another_______________?
A. Tangent galvanometer
B. Meggar
C. Current transformer
D. None of the above
The multiplier and the meter coil in a voltmeter are in________________?
A. series
B. parallel
C. series-parallel
D. none of the above
If a battery is wrongly connected on charge following will happen__________?
A. current delivered by the battery will be high
B. current drawing will be nil
C. current drawing will be very small
D. current drawing will be very high
The operating voltage of extra high tension cables is upto_______________?
A. 6.6 kV
B. 11 kV
C. 33 kV
D. 66 kV
E. 132 kV
If the load on a DC shunt motor is increases, its speed is slightly reduced due to______________?
A. increase in armature current
B. increase in flux
C. decrease in reactance
D. decrease in back emf
If P is the power of a star connected system then what will be power of an equivalent delta connected system?
A. P
B. 3P
C. P/3
D. None of the above
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