Home » Electrical Engineering Quiz » Electrical Engineering Quiz 58

Electrical Engineering Quiz 58

0%
0

Electrical Engineering Quiz 58

1 / 50

The power mentioned on the name plate of an electric motor indicates____________?

2 / 50

Arc in a circuit behaves as_______________?

3 / 50

Those materials are well suited for making permanent magnets which have ________ retentivity and _________ coercivity

4 / 50

Inductance of coil___________?

5 / 50

At 100% modulation, the power in each sideband is _____________ of that of carrier?

6 / 50

The unit of reluctance is_____________?

7 / 50

A uniformly-loaded D.C. distributor is fed at both ends with equal voltages. As compared to a similar distributor fed at one end only, the drop at the middle point is______________?

8 / 50

In steam turbines the reheat factor_____________?

9 / 50

Negative feedback is employed in __________________?

10 / 50

The field coils of D.C. generator are usually made of_____________?

11 / 50

In cables the charging current__________?

12 / 50

IC = [a / (1 ? a )] IB +_____________?

13 / 50

When load on an over-excited or under excited synchronous*motor is increased, rate of change of its armature current as compared with that of power factor is___________?

14 / 50

A condenser suitable for D.C. only is________?

15 / 50

The input impedance of a JFET is _____________that of an ordinary transistor?

16 / 50

In D.C. generators on no-load, the air gap flux distribution in space is______________?

17 / 50

When a transistor is connected in common emitter mode, it with have__________?

18 / 50

The PIV rating of a crystal diode is _______________ that of equivalent vacuum diode

19 / 50

Which of the following motors is used for elevators ?

20 / 50

In an electric press mica is used_____________?

21 / 50

The voltage gain of an emitter follower is _____________?

22 / 50

For an SCR gate – cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance_____?

23 / 50

Which of the following happens when star-delta starter is used ?

24 / 50

The power output of an audio system is 18 W. For a person to notice an increase in the output (loudness or sound intensity) of the system, what must the output power be increased to ?

25 / 50

Electrical machines having a power output up to about 750 W may be called__________machines?

26 / 50

The superhetrodyne principle provides selectivity at ______________stage?

27 / 50

Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials

28 / 50

A hole and electron in close proximity would tend to________________?

29 / 50

When a pentavalent impurity is added to a pure semiconductor, it becomes________________?

30 / 50

A hollow metallic sphere of 8cm diameter is charged with 4 x 10 8 The potential on its surface will be_________________?

31 / 50

Form factor for a sine wave is________?

32 / 50

An automatic toaster is a ___________ loop control system?

33 / 50

For the same peak value which of the following wave will ?have the highest r.m.s. value?

34 / 50

A constant current signal across a parallel RLC circuits gives an o/p of 1.4v at the signal frequency of 3.89KHZ and 4.1KHZ .At the frequency of 4KHZ,the o/p voltage will be___________?

35 / 50

A control system in which the control action is somehow dependent on the output is known as____________?

36 / 50

Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be_____________?

37 / 50

In TV transmission, sound signal is ______________modulated?

38 / 50

If an electrons is allowed to move along the field in a non uniform electric field then it will follow__________________?

39 / 50

Two resistances Rl and Ri are connected in series across the voltage source where Rl>Ri. The largest drop will be across______________?

40 / 50

Spring constant in force-voltage analogy is analogous to_____________?

41 / 50

In series motor which of the following methods can be used for changing the flux per pole ?

42 / 50

A crystal diode has______________?

43 / 50

The source terminal of a JEFT corresponds to _____________ of a vacuum tube?

44 / 50

Overload capacity of diesel engines is usually restricted to_______________?

45 / 50

A voltage follower _____________?

46 / 50

Constant voltage transmission entails the following disadvantage?

47 / 50

Series motor is not suited for traction duty due to which of the following account ?

48 / 50

ICs are used in ______________?

49 / 50

Due to which of the following fact, in India, aluminium is replacing copper ?

50 / 50

A coil of wire is arranged with its plane perpendicular to a uniform magnetic field o flux density when the radius of the coil increases from r1 to r2 in time ?t then what is the emf induced in the coil ?

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