Electrical Engineering Quiz 52
1 / 50
A carbon resistor contains_____________?
2 / 50
An opamp has a slew rate of 5V/ S. the largest sine wave o/p voltage possible at a frequency of 1MHz is____________?
3 / 50
The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is____________?
4 / 50
No-load current of a transformer has_____________?
5 / 50
In practice, voltage gain is expressed______________?
6 / 50
Slip rings are usually made of__________?
7 / 50
If one of the resistors in a parallel circuit is removed, the total resistance_____________?
8 / 50
In graphite, bonding is____________?
9 / 50
The connected load of a IVMIM uir consumer is around___________?
10 / 50
at a point is equal to the negative potential gradient at that point?
11 / 50
Heavy duty cranes are used in________________?
12 / 50
Ionization in circuit breaker is facilitated by___________?
13 / 50
When a lead-acid battery is in fully charged condition, the color of its positive plate is__________?
14 / 50
An ideal voltage source should have______________?
15 / 50
The repulsion-start induction-run motor is used because of___________?
16 / 50
_______________is a closed loop system?
17 / 50
Which of the following is most difficult to fabricate in an IC ?
18 / 50
If there are a total of 120 mA into a parallel circuit consisting of three branches, and two of the branch currents are 40 mA and 10 mA, the third branch current is_________________?
19 / 50
On the average the ampere-hour efficiency of an Edison cell is about__________?
20 / 50
Two 3.3 k? resistors are in series and this series combination is in parallel with a 4.7 k? resistor. The voltage across one of the 3.3 k? resistors is 12 V. The voltage across the 4.7 k? resistor is_________?
21 / 50
The leakage current in a crystal diode is due to _________________?
22 / 50
Due to which of the following reasons excessive bond width in control systems should be avoided ?
23 / 50
For a purely inductive circuit which of the following is true ?
24 / 50
The output of a particular Op-amp increases 8V in 12?s. The slew rate is_______________?
25 / 50
A differential relay measures the vector difference between_________________?
26 / 50
The following system is not generally used?
27 / 50
The expected useful life of an hydroelectric power station is around_________________?
28 / 50
When a dielectric is placed in an electric field the field strength____________?
29 / 50
When a body reflects entire radiation incident on it, then it is known as____________?
30 / 50
As per Faraday?s laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it_______________?
31 / 50
To measure radio frequency, the suitable frequency meter is_______________?
32 / 50
Which of the following will happen if the thickness of refractory wall of furnace is increased ?
33 / 50
Which of the following is not a part of transformer installation ?
34 / 50
Which of the following motors is non-self starting ?
35 / 50
Caking coals are those which__________?
36 / 50
Advantages of Cuk converter is / are_____________?
37 / 50
If the distance between the two point charges become half then force between them becomes______________?
38 / 50
The co-ordination number of a simple cubic structure is______________?
39 / 50
An open-circuit test on a transformer is conducted primarily to measure______________?
40 / 50
The direction of rotation of universal motor can be reversed the by reversing the flow of current through__________?
41 / 50
The force between two charges is 120 N. If the distance between the charges is doubled, the force will be________________?
42 / 50
The inductive interference between power and communication line can be minimized by__________?
43 / 50
Power loss in actual transformer is due to_________________?
44 / 50
Which statement is true ?
45 / 50
In a D.C. series motor, if the armature current is reduced by 50%, the torque of the motor will be equal to
46 / 50
The class B push-pull circuit can deliver 100 W of a.c. output power. What should be the minimum power rating of each transistor ?
47 / 50
Cells are connected in series in order to_____________?
48 / 50
Between the incoming and outgoing devices in voltage commutation
49 / 50
In D.C. generators the pole shoes are fastened to the pole core by_____________?
50 / 50
The stray line of magnetic flux is defined as_____________?
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