Electrical Engineering Quiz 38
1 / 50
_________offers the highest electric load.
2 / 50
The secondary of a current transformer is always short-circuited under operating conditions because it____________________?
3 / 50
A MOSFET can be operated with________________?
4 / 50
An electrolytic capacitor can be used for_____________?
5 / 50
The output voltage of a charger is__________?
6 / 50
Which is the correct order of sequence for representing the input values in K-map ?
7 / 50
By which of the following methods the temperature inside arc nace can be varied ?
8 / 50
On which of the following routine tests are conducted ?
9 / 50
Slip ring motor is preferred over squirrel cage induction motor where___________?
10 / 50
The minimum value of potential gradient in a cable occurs in____________?
11 / 50
If a lead-acid cell is discharged below 1.8 V the following will happen.____________?
12 / 50
The horizontal plates of a CRO are supplied with _____________ to observe the waveform of signal?
13 / 50
The differential gain is _____________?
14 / 50
The input offset current equals the_____________?
15 / 50
A ferrite core has less eddy current loss than an iron core because_______________?
16 / 50
The universal gate is ________________?
17 / 50
Annual operating expenditure of a power plant consists of____________?
18 / 50
If in a synchronous motor, driving a given mechanical load and drawing current at a leading power factor from constant voltage supply its field excitation is increased, its power factor
19 / 50
Transfer function of a system is used to calculate which of the following ?
20 / 50
If the input to a differentiating circuit is a saw-tooth wave, then output will be _____________?
21 / 50
Typical range of thyristor turn OFF time is______________?
22 / 50
The period of a sine wave is _____ seconds. Its frequency is
23 / 50
The use of _________ instruments is merely confined within laboratories as standardizing instruments?
24 / 50
In an LC circuit, when the capacitor is maximum, the inductor energy is____________?
25 / 50
If the fault occurs near the impedance relay, the VII ratio will be____________?
26 / 50
The filament of an electric bulb is made of______________?
27 / 50
For maximum transfer of power, internal resistance of the source should be_____________?
28 / 50
The speed of a D.C. shunt motor more than its full-load speed can be obtained by_____________?
29 / 50
In a common emitter, unbypassed resister provides___________?
30 / 50
Inductors acts as a short circuit for_______________?
31 / 50
A transistor takes_____________ inductor on a silicon IC chip?
32 / 50
In D.C. generators, the brushes on commutator remain in contact with conductors which_________________?
33 / 50
The co-efficient of coupling between two air core coils depends on____________?
34 / 50
When a 3-phase synchronous generator is supplying a zero power factor lagging load, the armature field affects the main field in the following way
35 / 50
If the power and current gains of a transistor amplifier are 16500 and 100 respectively, then voltage gain is_____________________?
36 / 50
The energy radiated by sun on a bright sunny day is approximately______________?
37 / 50
A shunt generator can self-excite:_________________?
38 / 50
The out put voltage of a transformer is 3 times the input voltage then turns ratio will be________________?
39 / 50
With forward bias to a pn junction , the width of depletion layer__________________?
40 / 50
A combination of synchronized leading edge and trailing edge modulation has also been used to control a____________?
41 / 50
Which of the following essential features is possessed by an indicating instrument?
42 / 50
The direction of induced e.m.f. can be found by_____________?
43 / 50
The efficiency of a transformer, under heavy loads, is comparatively low because_______________?
44 / 50
The strength of a semiconductor crystal comes from______________?
45 / 50
Which part of a motor needs maximum attention for maintenance ?
46 / 50
Time constant of a circuit is the time in seconds taken after the application of voltage to each___________?
47 / 50
Negative feedback_______________?
48 / 50
The opposite of susceptibility is___________?
49 / 50
The input capacitor in an amplifier is the______________ capacitor?
50 / 50
In a certain low-pass filter, fc = 3.5 kHz. Its pass-band is_______________?
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