Electrical Engineering Quiz 54
1 / 50
A magnetic field exists around____________?
2 / 50
capacitor is to have an energy content of 20J it must be placed across a potential difference of________________?
3 / 50
In electrical-pneumatic system analogy the current is considered analogous to_____________?
4 / 50
The temperature, under thermal and electrical system analogy, is considered analogous to_______________?
5 / 50
has tendency to oscillate______________?
6 / 50
Which of the following are the passive elements?
7 / 50
The materials are a bit inferior conductors of magnetic flux than air
8 / 50
A reverse biased pn junction has resistance of the order of________________?
9 / 50
A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is___________?
10 / 50
Which of the following quantities remain the same in all parts of a series circuit ____________?
11 / 50
For frequencies below resonant frequency, a series LC circuit behaves as a _____________ load?
12 / 50
The advantage of mercury arc rectifier is that________________?
13 / 50
Riunting in a synchronous motor takes place___________?
14 / 50
An SCR is turned off when ________________?
15 / 50
The relative permittivity of free space is given by__________?
16 / 50
Dummy coil should not be used in_________________?
17 / 50
The transconductance of a JFET ranges from ________________?
18 / 50
The load voltage is approximately constant when a Zener diode is ________________?
19 / 50
Which of the following devices will receive voltage surge first travelling on the transmission line ?
20 / 50
While starting a synchronous motor by induction motor action, field winding is usually_____________?
21 / 50
In a Wien-bridge oscillator, if the resistances in the positive feedback circuit are decreased, the frequency____________?
22 / 50
The capacitance, in force-current analogy, is analogous to_____________?
23 / 50
The frequency response of transformer coupling is___________?
24 / 50
Internal resistance of ideal voltage source is ?
25 / 50
If the length of a cable is doubled, its capacitance____________?
26 / 50
The safest value of current the human body can carry for more than 3 second is_________?
27 / 50
On which of the following factors does the resistivity of a material depend ?
28 / 50
In a certain five-step R/2R ladder network, the smallest resistor value is 1 k?. The largest value is___________?
29 / 50
A JFET is similar in operation to ___________ valve?
30 / 50
The conductivity of a conductor can be increased by_______________?
31 / 50
In case of a flat compounded generator:
32 / 50
The sensitivity of a voltmeter which uses a 100 ?A meter movement is ____________?
33 / 50
Photocopier and inject printer are dealt in________________?
34 / 50
The relay operating speed depends upon_________________?
35 / 50
The voltage gain in a transistor connected in___________arrangement is the highest?
36 / 50
The type of D.C. motor used for shears and punches is_____________?
37 / 50
The stabilisation of operating point in potential divider method is provided by_______________?
38 / 50
In reverse blocking mode of a thyristor______?
39 / 50
The intersheaths in the cables are used to_____________?
40 / 50
The speed of a D.C. shunt motor is required to be more than full load speed. This is possible by______________?
41 / 50
While conducting short-circuit test on a transformer the following side is short circuited?
42 / 50
In a single phase full wave rectifier, during blocking state the pea inverse voltage of diode is______________?
43 / 50
The internal resistance of a lead-acid cell is that of Edison cell____________?
44 / 50
Main causes of noisy solenoid are______________?
45 / 50
The resistance in the circuit of the moving coil of a dynamometer wattmeter should be_____________?
46 / 50
The most widely used rectifier is ________________?
47 / 50
In amplitude modulation, bandwidth is ____________ the audio signal frequency?
48 / 50
If L/C ratio of a parallel LC circuit is increased, the Q of the circuit______________?
49 / 50
When a pure semiconductor is heated, its resistance_________________?
50 / 50
In _________ machines, the size of the shaft is decided by the critical speed which depends on the deflection of the shaft?
Provide Your Information
Your score is
The average score is 97%
Restart quiz
