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.Management Sciences
Category: Electrical Engineering Mcqs
Most of the high transmission lines in Pakistan are_______________?
0
A. underground
B. overhead
C. either of the above
D. none of the above
The early effect in a bipolar junction transistor is caused by_______________?
A. fast turn-on
B. fast turn-off
C. large collector-base reverse bias
D. large emitter-base forward bias
If starting winding of a single-phase induction motor is left in the circuit, it will____________?
A. run faster
B. spark at light loads
C. draw excessive current and overheat
D. run slower
All good conductors have high____________?
A. conductance
B. resistance
C. reluctance
D. thermal conductivity
In the d.c. equivalent circuit of a transistor amplifier, the capacitors are considered__________________?
A. Short
B. Open
C. Partially short
D. None of the above
In a surface condenser if air is removed, there is___________?
A. fall in absolute pressure maintained in condenser
B. rise in absolute pressure maintained in condenser
C. no change in absolute pressure in the condenser
D. rise in temperature of condensed steam
In a synchronous motor, damper windings are provided on____________?
A. stator frame
B. rotor shaft
C. pole faces
D. none of the above
Which of the following primary cells has the lowest voltage_________ ?
A. Lithium
B. Zinc-chloride
C. Mercury
D. Carbon-zinc
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