Electrical Engineering MCQ Quiz

1) An active element in a circuit is one which

2) A passive Element in A Circuit is one which

3) An Electrical circuit contains 

4) Norton's theorem is...... form of an equivalent circuit

5)

What happens when the load on a synchronous motor increases beyond its capacity?

6)

The ohm's law for magnetic Circuit is...

7)

The B-H curve of  a ferromagnetic material is...

8)

The magnetic Material used for.......Should have a large hysteresis loop

9)

Hysteresis loss can be reduced by......

10)

The SI Unit of reluctance is....

11)

The reluctance of a magnetic circuit varies as...

12) What is the purpose of a fuse in an electrical circuit?

13)

What is the primary function of a diode in an electrical circuit?

14) Which law states that the current through a conductor between two points is directly proportional to the voltage across the two points and inversely proportional to the resistance?

15)

What does a transistor primarily function as in electronic circuits?

16) What is the SI unit of electric power?

17) In a series circuit, how does adding resistors affect the total resistance?

18) Which device is used to convert AC to DC in a power supply?

19) What does the acronym "AC" stand for in electrical engineering?

20) Which component is commonly used to store electrical energy in a circuit?

21) What is the unit of electrical resistance?

22) The working principle of a thermocouple is based on:

23) Which instrument is used to measure the frequency of an AC signal?

24)

• A multimeter can measure:

25) An instrument used to measure the insulation resistance of electrical equipment is called

26) The range of a voltmeter can be increased by connecting it with

27) In a DC circuit, what does a galvanometer measure?

28) Which instrument is used to measure the potential difference between two points in a circuit?

29) What does a wattmeter measure?

30) The principle of operation of a transformer is based on:

31) Which instrument is used to measure current in a circuit?

32) A dynamometer type wattmeter measures

33) The Q-factor of a coil is a measure of its

34) A Wheatstone bridge is used to measure

35) A tachometer is used to measure

36) The sensitivity of a measuring instrument refers to its:

37)

• A phase sequence indicator is used to determine the:

38) Which of the following instruments is used to measure high currents in a circuit?

39) An instrument used to measure the temperature of an object by sensing infrared radiation emitted by the object is called a:

40) हैंगर-क्लास, चीनी टाइप 039ए युआन क्लास का एक निर्यात संस्करण, एक डीजल-इलेक्ट्रिक हमला पनडुब्बी है, जिसका नाम अब सेवामुक्त हो चुकी पीएनएस हैंगर के नाम पर रखा गया है, जिसने 1971 के युद्ध के दौरान प्रसिद्ध भारतीय युद्धपोत आईएनएस खुकरी को डुबो दिया था।

41) 6. How many cycles will an AC signal make in 2 seconds if its frequency is 100 Hz?

42) 5. Which of the following according to fundamentals of electrical energy is incorrect about alternating current?

43) 4. Which of the following is a correct representation of peak value in an AC Circuit?

44) 3. Where does electro-static shielding occur in a charged spherical shell?

45) 2. What is constant for a charged spherical shell according to basic electrical energy?

46) 1. Which of the following elements of electrical engineering cannot be analyzed using Ohm’s law?