Home » Electrical Engineering Quiz » Electrical Engineering Quiz 42

Electrical Engineering Quiz 42

0%
0

Electrical Engineering Quiz 42

1 / 50

In majority of instruments damping is provided by______________?

2 / 50

How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute?

3 / 50

The effect of error damping is to______________?

4 / 50

For a D.C. generator when the number of poles and the number of armature conductors is fixed, then which winding will give the higher e.m.f___________ ?

5 / 50

Which of the following method of speed control of D.C. machine will offer minimum efficiency ?

6 / 50

Whether circuit may be AC or one, following is most effective in reducing the magnitude of the current?

7 / 50

The carrier which are commonly used in constant ? frequency PWM is______________?

8 / 50

The skin effect of a conductor will reduce as the__________?

9 / 50

Which material is used to made a solar cell_______________?

10 / 50

The steady state stability of the power system can be increased by_____________?

11 / 50

In the operation and control of both naturally commutated and forced commutated SCR base converter, commutation plays an important role. The converters is / are ___________?

12 / 50

An air gap is usually inserted in magnetic circuits to____________?

13 / 50

A capacitor charged to 200 V has 2000 (iC of charge. The value of capacitance will be_____________?

14 / 50

A resistance having rating 10 ohms, 10 W is likely to be a__________?

15 / 50

An audio amplifier is an example of _________________?

16 / 50

Which of the following is an advantage of eddy current heating ?

17 / 50

Which of the following capacitors will have the least variation ____________?

18 / 50

When the equivalent circuit diagram of doouble squirrel-cage induction motor is constructed the two cages can be considered__________?

19 / 50

The number of independent equations to solve a network is equal to_____________?

20 / 50

Which of the following refers to a parallel circuit ?

21 / 50

If a particular application needs high speed and high starting torque, then which of the following motor will be preferred ?

22 / 50

What is the advantage of HRC fuses over Rewirable fuses?

23 / 50

The power factor of a single phase load can be calculated if the instruments available are_____________?

24 / 50

The output impedance of a transistor connected in_____________arrangement is the highest?

25 / 50

In a p-n junction diode under reverse bias , the magnitude of electric field is maximum at_____________?

26 / 50

Fault diverters are basically____________?

27 / 50

The purpose of a parallel circuit resonance is to magnify________?

28 / 50

Time constant of an inductive circuit_________?

29 / 50

In an electric room heat convector the method of heating used is______________?

30 / 50

Time constant of a capacitive circuit__________?

31 / 50

electromagnets generally function as holding magnets ?

32 / 50

Which of the following statements is incorrect ?

33 / 50

If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be____________?

34 / 50

A 50 kW carrier is to be amplitude modulated to a level of 85%. What is the carrier power after modulation ?

35 / 50

A thermistor has_____________?

36 / 50

Which of the following can have negative temperature coefficient _____________?

37 / 50

The torque produced in induction type relay (shaded pole structure) is_____________?

38 / 50

An increase in gain, in most systems, leads to_____________?

39 / 50

At series resonance, voltage across L is____________voltage across C?

40 / 50

A non inverting closed loop op amp circuit generally has a gain factor______________?

41 / 50

If Q of an LC circuit increases, then bandwidth ______________?

42 / 50

Bidirectional semiconductor device is___________?

43 / 50

If excitation of a synchronous motor running with a constant load is decreased from its normal value, ignoring effects of armature reaction, it leads to____________?

44 / 50

Which of the following is incorrect ?

45 / 50

The torque developed by a 3-phase induction motor least depends on__________?

46 / 50

The maximum output voltage of a certain low-pass filter is 15 V. The output voltage at the critical frequency is_____________?

47 / 50

To reduce short circuit fault currents are used_____________?

48 / 50

During the commutation period in 3 phase converter, overlap time is_____________?

49 / 50

An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms?

50 / 50

The value of a of a transistor is_____________?

Provide Your Information

Your score is

The average score is 0%

0%

Share on facebook
Facebook
Share on twitter
Twitter
Share on whatsapp
WhatsApp
Electrical Engineering Quiz 1
Electrical Engineering Quiz 2
Electrical Engineering Quiz 3
Electrical Engineering Quiz 4
Electrical Engineering Quiz 5
Electrical Engineering Quiz 6
Electrical Engineering Quiz 7
Electrical Engineering Quiz 8
Electrical Engineering Quiz 9
Electrical Engineering Quiz 10

Help Concept 360 Please. We need 500 Youtube Subscriber. Please Subscribe our Youtube Channel. Click below link to subscribe Please

آپ سے گزارش ہے کہ ہمارے یوٹیوب چینل کوسبسکرائب کر کے ہماری مدد کریں جیسا کہ یہ ویب سائٹ آپکی مدد کر رہی ہے۔ شکریہ