Electrical Engineering Quiz 44
1 / 50
If a third equal and similar charge is placed between two equal and similar charges, then this third charge will_____________?
2 / 50
A monostable vibrator has_____________
3 / 50
Direct conversion of heat into electric power is possible through__________?
4 / 50
Which of the followings is/are active element?
5 / 50
The output transformer used in a power amplifier is a _____________ transformer?
6 / 50
If a single phase induction motor runs slower than normal, the most likely defect is_____________?
7 / 50
A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to________?
8 / 50
The ideal load factor should be_____________?
9 / 50
The push-pull circuit must use ______________ operation?
10 / 50
Long distance transmission is easy for________________?
11 / 50
In a series L-C circuit at the resonant frequency the__________?
12 / 50
Which of the following materials is used for making coils of standard resistances ?
13 / 50
In the double tuned circuit, if the mutual inductance between the two tuned circuits is decreased, the level of resonance curve ___________________?
14 / 50
If the negative potential on the control grid of CRT is increased, the intensity of spot _____________?
15 / 50
The base resistor method is generally used in ________________?
16 / 50
An RL low-pass filter consists of a 5.6 mH coil and a 3.3 k? resistor. The output voltage is taken across the resistor. The circuit?s critical frequency is______________?
17 / 50
The frequency and time domain are related through which of the following ?
18 / 50
In the differential voltage gain & the common mode voltage gain of a differential amplifier are 48db &2db respectively, then its common mode rejection ratio is__________?
19 / 50
The closed-loop voltage gain of an inverting amplifier equal to______________?
20 / 50
Calculate the cutoff frequency of a first-order low-pass filter for R1 = 2.5k? and C1 = 0.05?F___________?
21 / 50
In an automatic control system which of the following elements is not used ?
22 / 50
An induction motor has relatively high power factor at__________?
23 / 50
If gate current is increased, then anode-cathode voltage at which SCR closes_________________?
24 / 50
For the parallel operation of two or more D.C. compound generators, we should ensure that_______________?
25 / 50
The current drawn by the armature of D.C. motor is directly proportional to__________?
26 / 50
Emitter follower is used for ________________?
27 / 50
In an unregulated power supply, if input a.c. voltage increases, the output voltage _______________?
28 / 50
A dynamometer wattmeter can be used for______________?
29 / 50
The changes in volume of transformer cooling oil due to variation of atmospheric temperature during day and night is taken care of by which part of transformer?
30 / 50
Regenerative feedback implies feedback with_______________?
31 / 50
When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage?
32 / 50
Gate circuit or triggering circuit of a thyristor is
33 / 50
The total deficiency or excess of electrons in a body is known as____________?
34 / 50
The magnitude of the induced e.m.f. in a conductor depends on the______________?
35 / 50
The path of a magnetic flux in a transformer should have______________?
36 / 50
Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ________?
37 / 50
Minimum voltage regulation occurs when the power factor of the load is_____________?
38 / 50
Magnetic compass needle will be deflecting if it is kept near________________?
39 / 50
The force per unit charge is know as__________________?
40 / 50
Which of the following is a ferromagnetic material ?
41 / 50
When the transistor (CE arrangement) is in the cut off region, the collector current is ______________?
42 / 50
Spark plug makes use of which of the following materials for insulation ?
43 / 50
A Zener diode______________?
44 / 50
The effective channel length of a MOSFET in a saturation decreases with increase in___________?
45 / 50
Heat is transferred simultaneously by condition, convection and radiation_____________?
46 / 50
The switch board instruments________________?
47 / 50
In an AM wave useful power is carrier by ______________?
48 / 50
Demodulation is done in ________________?
49 / 50
A car is raining at a constant speed of 50 km/h, which of the following is the feedback element for the driver ?
50 / 50
If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the corresponding size of conductor will be most economical. This statement is known as___________________?
Provide Your Information
Your score is
The average score is 92%
Restart quiz
