Electrical Engineering Quiz 53
1 / 50
What is/are the configurable functions of each and every IOBs connected around the FPGA device from the operational point of view ?
2 / 50
A small coil lies inside a large coil. The two coils are horizontal concentric and carry currents in opposite directions. The large coil will experience______________?
3 / 50
When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle?
4 / 50
In D.C. machines the number of slots per pole usually lies___________?
5 / 50
The point of intersection of d.c. and a.c. load lines represents __________________?
6 / 50
A nuclear power plant is invariably used as a__________?
7 / 50
In a capacitor start single-phase motor, when capacitor is replaced by a resistance____________?
8 / 50
Zero initial condition for a system means_______________?
9 / 50
SF6 gas______________?
10 / 50
Negative feedback in an amplifier____________?
11 / 50
Evaporative type of condenser has___________?
12 / 50
The function of conservator in a transformer is___________________?
13 / 50
capacitors can be used only for D.C ?
14 / 50
Electric force between two point charges in air or vacuum is F. If we replace air or vacuum by an insulator (dielectric) of relative permitivity Cr the force between the charges will_______________?
15 / 50
In a full wave rectifier, the rectification ratio is approximately equal to____________?
16 / 50
The material commonly used for sheaths of underground cables is______________?
17 / 50
Heat control switches are used in__________________?
18 / 50
In a certain common-source D-MOSFET amplifier, Vds =3.2 V r.m. and Vgs = 280 mV r.m.s. The voltage gain is_______________?
19 / 50
The number of armature parallel paths in a two-pole D.C. generator having duplex lap winding is______________?
20 / 50
Under over voltage condition impedance offered by the voltage clamping device is__________?
21 / 50
The selection of an electric motor for any application depends on which of the following factors ?
22 / 50
When the crystal current diode current is large, the bias is ______________?
23 / 50
The property of a conductor due to which it passes current is called___________?
24 / 50
Thermal voltage VT can be given by____________?
25 / 50
A synchronous motor develops maximum power when load angle is____________?
26 / 50
If a square wave is fed to a differentiating circuit, the output will be _____________?
27 / 50
A star circuit has element of resistance R/2. The equivalent delta elements will be_____________?
28 / 50
The disadvantage of base resistor method of transistor biasing is that it_________________?
29 / 50
In a lead-acid battery the energy is stored in the form of___________?
30 / 50
A zener diode is________________ device?
31 / 50
is the property of absorbing moisture from atmosphere_____________?
32 / 50
Which of the following statements regarding hysteresis motor is in incorrect?
33 / 50
____________are used for construction of core of electromagnets?
34 / 50
A 741-Type OP-AMP has a gain-bandwith product of 1MHz. A non-inverting amplifier using this opamp & having a voltage gain of 20db will exhibit -3db bandwidth of______________?
35 / 50
Which of the following are not repayable after a stipulated period?
36 / 50
Which of the following has the highest value of thermal conductivity ?
37 / 50
Which of the following motors is preferred for tape-recorders ?
38 / 50
When the load is above _______________ a synchronous motor is found to be more economical?
39 / 50
Insulating materials have the function of______________?
40 / 50
When a 1.6 k? resistor and a 120? resistor are connected in parallel, the total resistance is____________?
41 / 50
Which of the following cell has a. reversible chemical reaction ___________?
42 / 50
If firing angle in an SCR circuit is increased, the output _____________?
43 / 50
At transition temperature the value of critical field is____________?
44 / 50
The square waveform of current has following relation between r.m.s. value and average value?
45 / 50
Hysteresis loss least depends on____________?
46 / 50
A no-load test is performed on a transformer to determine_______________?
47 / 50
Electric pressure is also called________?
48 / 50
For starting a D.C. motor a starter is required because___________?
49 / 50
Resistances can be measured with the help of_______________?
50 / 50
The superposition theorem requires as many circuits to be solved as there are____________?
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