Electrical Technology: Basic Electrical & Electronics Interview Questions...

Electrical
Technology :

 

 Basic Electrical & Electronics Interview

Questions...

 35 Electrical Engineering Interview Questions and Answers

Electrical engineers are people who design and create electrical systems and machines to make human life easier. If you are going for a job interview as an electrical engineer, it’s important to get ready for some electrical interview questions and answers that an interviewer might ask you.

Here we have provided 35 important electrical engineering interview questions and answers. It will increase your knowledge of the subject and help you prepare for an upcoming electrical engineering interview.

List of Electrical Interview Questions

1: Define the term electrical engineering?

2: Define the principle of motors?

3: What is an electric shock?

4: How can one protect themselves from an electric shock?

5: What will resistances connected to a source of voltage in series do?

6: Define Ohm’s law?

7: What happens when two negatively charged substances are placed together?

8: Define the frantic effect?

9: What type of fire – extinguisher is used to put out a fire caused by electrical wires?

10: What is the process of creating electricity in a thermal power station?

11: State the similarity between a generator and an alternator?

12: State the meaning of the term “capacitance”

13: State the meaning of the term “Inductance”

14: Explain what different colours in transmission line wires indicate?

15: What happens to the resistance of a series circuit if the current is reduced by half?

16. What is an Encoder?

17: What does an ACSR Cable do and where can we use it?

18: List three advantages of using ACSR cables in overhead transmission lines?

19: Define the meaning of a Zener diode?

20: Explain why the capacitors work only on AC ?

21: What is Power Factor, and why is it important in electrical systems?

22: Explain the operation of a Thyristor (SCR).

23: Discuss the significance of Harmonics in power systems.

24: What is the difference between a Relay and a Circuit Breaker?

25: Explain the concept of Reactive Power.

26: What is Electric Arc Flash, and how can it be mitigated?

27: Describe the advantages and disadvantages of Three-Phase Power over Single-Phase Power.

28: What is the purpose of a Grounding System in electrical installations?

29: Explain the concept of Electrical Load Balancing.30: What is a Transformer, and how does it work?

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31: What is power factor correction, and why is it important in electrical systems?

32: Explain the concept of electrical harmonics. How can they be mitigated?

33: What are the key differences between a circuit breaker and a fuse in terms of operation and applications?

34: What is a Variable Frequency Drive (VFD), and how does it control motor speed?

35: What is SCADA (Supervisory Control and Data Acquisition), and how is it used in electrical systems?