Electrical Engineering Quiz 63
1 / 50
If the feedback fraction of an amplifier is 0.01, then voltage gain with negative feedback is approximately________________?
2 / 50
__________ is the main constituent of glass?
3 / 50
To limit the operating temperature an electrical machine should have proper____________?
4 / 50
Two long parallel conductors carry 100 If the conductors are separated by 20 mm, the force per meter of length of each conductor will be_____________?
5 / 50
A pony motor is basically a_________?
6 / 50
Wire-wound resistors are unsuitable for use at high frequencies because they_______?
7 / 50
In a circuit a 33 Q resistor carries a current of 2 The voltage across the resistor is
8 / 50
A sudden increase in the total current into a parallel circuit may indicate______________?
9 / 50
The reverse current in a diode is of the order of _____________?
10 / 50
If the gain versus frequency curve of a transistor amplifier is not flat, then there is distortion ?
11 / 50
Which of the following statements is correct for any closed loop system ?
12 / 50
The capacity of a battery is expressed in terms of____________?
13 / 50
An ammeter is connected in __________ with the circuit element whose current we wish to measure?
14 / 50
In a steam power plant, the function of a condenser is__________?
15 / 50
For a sine wave with peak value Emax _______ 8.30. the average value is?
16 / 50
A transformer core is laminated to__________?
17 / 50
Due to which of the following reasons it is desirable to have short arc length ?
18 / 50
The coasting retardation is around_________________?
19 / 50
A shaded pole motor can be used for_____________?
20 / 50
A transistor is connected in CB mode. If it is not connected in CE mode with same bias voltages, the values of IE, IB and IC will____________?
21 / 50
Unit for quantity of electricity is_____________?
22 / 50
The substances which have a large number of free electrons and offer a low resistance are called____?
23 / 50
24 / 50
Inductor does not allow the sudden change of
25 / 50
The emitter of a transistor is___________doped?
26 / 50
Ohm is unit of all of the following except___________?
27 / 50
Electric intensity at infinite distance from the point charge is_____________?
28 / 50
Two transformers operating in parallel will share the load depending upon their____________?
29 / 50
In a shell and tube surface condenser____________?
30 / 50
Platinum is used in_____________?
31 / 50
Reluctance motor is a________________?
32 / 50
The transient response, with feedback system_____________?
33 / 50
A tuned amplifier is generally operated in ____________operation?
34 / 50
CB used for over current protection of thyristor operates when the fault current is__________?
35 / 50
If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will_________?
36 / 50
Which of the following generator will have negligible terminal voltage while running on no-load?
37 / 50
Ferrites are a sub-group of_______________?
38 / 50
If the coil is wound on an iron core the flux through it will_______________?
39 / 50
Pin type insulators are generally not used for voltages beyond_________?
40 / 50
If metallic conductor is charged negatively then its weight______________?
41 / 50
____________are always double layer type?
42 / 50
In a single phase power factor meter the phase difference between the currents in the two pressure coils is___________________?
43 / 50
In a synchronous motor, V-curves represent relation between____________?
44 / 50
Electric intensity at any point in an electric field is equal to the at that point?
45 / 50
We can control a.c. power in a load by connecting ______________?
46 / 50
Consider the representation of six-bit numbers by two?s complement, one?s complement, or by sign and magnitude: In which representation is there overflow from the addition of the integers 011000 and 011000 ?
47 / 50
The desirable static characteristics of a measuring system are______________?
48 / 50
Which of the following is the output of a thermocouple ?
49 / 50
An RC high-pass filter consists of a 0.2 ?F capacitor and a 220 ? resistor. The output is taken across the resistor. The circuit?s critical frequency is_____________?
50 / 50
A power amplifier has comparatively __________________ ? ?
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