10 Best Electrical Engineering Interview Questions & Answers
Want to crush your interview?
If you’re preparing for an interview in the electrical engineering field, you’re likely wondering what kind of questions may pop up during the interview itself. These electrical engineering interview questions and answers will help you get prepared for your upcoming interview in the engineering field.
Hiring managers will quickly dip into the more technical aspects of electrical engineering in their interview questions to weed out inexperienced engineers, so it is vital to know what to expect and how to answer.
Let’s look at how you can prepare for an electrical engineering interview, what type of questions may come up, and a handful of example questions and answers to study beforehand.
Preparing For An Electrical Engineering Interview
An electrical engineer's duty is to design, develop, test, implement, and supervise the overall deployment of electrical systems, as well as electrical instruments and devices. A majority of the questions one will be asked in an electrical engineering interview will involve these processes.
Before your interview, take the time to review exactly what type of electrical engineering position you’ll be interviewing for. There are numerous types of electrical engineering jobs with specific niches, including:
- Instrumentation and Real-Time Computing
- Video, Image and Speech Processing
- Data Networks
- Nuclear Engineering
- Satellite Engineering
- Space Systems Engineering
- Quantum Computing
- Wireless Communications
- Energy Systems
- Power Engineering
- Systems and Control
- Signal Processing
- Multimedia Processing
- Embedded Systems Design
Make sure to determine your possible position and study up on specific questions involving that niche. We’ll be covering broad common questions to expect later in this guide, but one should be familiar with niche elements of the position they’re going to be interviewed for.
Types Of Questions to Expect In An Electrical Engineering Interview
For more broad interviews that don’t include niche questions, one can expect questions that involve the following:
- Your background
- Why you became an electrical engineer
- Your strengths and weaknesses
- Your long and short term goals in electrical engineering
- What sets you apart from other prospects
- What computer software you’re comfortable with
- Your education and honors
- Your electrical engineering specialty
These are common questions to expect in an interview, but the focus will lean more on your electrical engineering expertise and unique skills.
10 Electrical Engineering Interview Questions & Answers
1. Describe what electrical engineering is and include various different applications.
Electrical engineering is defined as an offset specialty of electrical systems. It involves the application and subversion of electrical systems with electromagnetic or electronic subsystems. There are a number of different applications for electrical engineering, including diodes, rectifiers, transformers, digital circuits, DC and AC motors, DC and AC generators, Electrical Power Systems, Electrical Control Systems, Instrumentation Systems, Communication Systems, and Digital and Analog Electronics.
2. List the basic common tools used to measure electrical parameters in an electrical circuit.
Ammeter, voltmeter, ohmmeter, multi-meter, power meter, microwave meter, Cathode Ray Oscilloscope, signal generators, analyzers, wattmeter, and sweep generator.
3. Name some different types of coupling mechanisms.
There are three common types of coupling mechanisms: conductive, inductive, and capacitive. Conductive coupling is when a conductive coupling power supply will be given to both the sensor and the load at the same time. Inductive coupling is when an electric field is the noise causer. Capacitive coupling is when a magnetic field is a noise caused in the current flow.
4. What do alternator and generator mean?
An alternator is a power generator and a generator literally generates electricity by converting one form of energy into another form of energy. The only significant difference between an alternator and a generator is the amount of power being generated and the application. An alternator exists for the purpose of generating power on smaller scale requirement, while a generator is for larger scale requirements or supplies. In an alternator, electricity is created by spinning the magnetic field inside the windings of a copper wire. Alternators always conserve the only the required amount of energy, whereas generators will utilize all of the energy that is being produced.
5. What are some of the basic fundamental components of electrical circuits?
Active circuits, passive circuits, AC and DC circuits, and Series and Parallel circuit. Active circuits are the specific elements that can generate energy from within its system as a source. Passive circuits are the specific elements that consume or allow the electric current to pass through it, and does not generate any energy whatsoever from it. For AC and DC circuits, AC means Alternating Current and DC means Direct Current. AC will always produce some fluctuating current, but DC will always produce a stable current in the form of constant source. Series circuits are circuits in which the components are connected in series, while the parallel circuits are the circuits in which the components are connected in parallel.
6. Define the capacitor, resistor, and inductor.
A capacitor is an electrical component in which it opposes the flow of the current and acts as a passive element, and also stores some form of electrical charge when a potential is applied. A resistor is an electrical component in which it also opposes the flow of current, like a capacitor, but is a two-terminal component. The resister is mostly used to reduce the flow of current. An inductor is also an electrical component (can also be called a “choke” or “coil”) that is used to build up electrical circuits and to store the energy in the form of a magnetic field.
7. What are some of the different types of networks involved in building an electrical circuit?
There are two types of electrical circuits, which are called passive or active networks. A passive network is a specific network that contains passive elements within its infrastructure, such as resistance, capacitance, or inductance. On the other hand, an active network is a specific network that contains active elements within its infrastructure, such as a current or voltage source.
8. What are some of the different network terminologies used in building out the electrical circuit?
Different network terminologies used in creating an electrical circuit include node, junction, loop, mesh, branch, linear circuits, non-linear circuits, active networks, and passive networks.
9. What happens when two positively charged materials are placed close together?
When two positively charged material are placed together, they will repel from each other.
10. What are some of the different types of cables used for building transmissions?
Cables are categorized into three forms according to their thermal capacity. These include low tension cables, which transmit voltage up to 1000 volts, high tension cables, which transmit voltage up to 23000 volts, and super tension cables, which transmit voltage from 66kv up to 132kv.
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