30+ Electronic Technician Interview Questions and Answers

Devices used in wireless networks include routers, access points, modems, and wireless adapters.

• Routers: used to connect multiple devices to a network and manage traffic

• Access points: used to extend the range of a wireless network

• Modems: used to connect to the internet

• Wireless adapters: used to connect devices to a wireless network

To solve product related technical issues, identify the problem, gather information, troubleshoot, and implement a solution.

• Identify the problem by listening to customer complaints or conducting tests

• Gather information about the product, its specifications, and any relevant documentation

• Troubleshoot by using diagnostic tools, analyzing error codes, or performing tests

• Implement a solution by repairing or replacing faulty components, updating software, or providing instructions...read more

The major issues of electronic products include component failure, power supply problems, and electromagnetic interference.

• Component failure: Electronic products can experience issues with individual components such as resistors, capacitors, or integrated circuits. This can lead to malfunctioning or complete failure of the product.

• Power supply problems: Faulty power supply units or inadequate power management can cause issues like voltage fluctuations, overheating, or power s...read more

Bluetooth is a short-range wireless technology used for data exchange between devices while Zigbee is a low-power, low-data rate wireless network protocol.

• Bluetooth is used for connecting devices like smartphones, headphones, and speakers while Zigbee is used for home automation and IoT devices.

• Bluetooth has a higher data rate and range compared to Zigbee.

• Zigbee is designed for low-power consumption and can support a larger number of devices in a network.

• Bluetooth uses freque...read more

I am currently using an iPhone 12 Pro Max with 256GB storage.

• iPhone 12 Pro Max

• 256GB storage capacity

Guide the caller on troubleshooting a short circuit and fluctuating lights safely.

• 1. Advise the caller to turn off the main power supply to prevent further damage or hazards.

• 2. Suggest checking for any visible signs of damage, such as burnt wires or tripped circuit breakers.

• 3. Recommend unplugging appliances that may be causing the short circuit, like faulty devices.

• 4. Instruct them to avoid using water or any conductive materials near the electrical system.

• 5. If the issue pe...read more

The latest technologies being used in IT industry include AI, IoT, blockchain, cloud computing, and cybersecurity.

• AI (Artificial Intelligence) is being used for automation and decision-making processes.

• IoT (Internet of Things) is being used for connecting devices and collecting data.

• Blockchain is being used for secure and transparent transactions.

• Cloud computing is being used for storage and processing of data.

• Cybersecurity is being used for protecting against cyber threats.

PCB stands for Printed Circuit Board, it is a board made of non-conductive material on which electronic components are mounted and connected.

• PCB provides mechanical support to electronic components

• PCB provides electrical connections between components

• PCB helps in reducing the size of electronic devices

• Components on PCB include resistors, capacitors, diodes, transistors, etc.

Using a single connection in both TVS can lead to issues; proper configuration is essential for optimal performance.

• TVS (Transient Voltage Suppressor) devices are designed to protect circuits from voltage spikes.

• Using a single connection for two TVS devices may cause uneven voltage distribution.

• For example, if one TVS clamps faster than the other, it could lead to circuit damage.

• It's generally recommended to use separate connections for each TVS to ensure effective protection...read more

Full wave rectifier converts AC to DC by using both halves of the input waveform.

• Uses four diodes to rectify both positive and negative half cycles of AC signal

• Produces a pulsating DC output with a frequency twice that of input AC signal

• Filtering is required to smoothen the output waveform

• Efficiency is higher than half wave rectifier

• Used in power supplies, battery chargers, and welding machines

Jio offers a wide range of products including mobile services, broadband, digital content, and smart devices.

• Jio mobile services

• JioFiber broadband

• JioSaavn music streaming

• JioCinema video streaming

• JioTV live TV streaming

• JioMart online grocery store

• JioMeet video conferencing

• JioPhone smart devices

A resistor is an electronic component that limits the flow of electric current in a circuit.

• Resistors are used to control the amount of current flowing through a circuit.

• They are typically made of materials with high resistance, such as carbon or metal alloys.

• Resistors are measured in ohms (Ω) and their value determines the amount of resistance they provide.

• They can be connected in series or parallel to achieve different resistance values.

• Resistors are commonly used in electr...read more

NPN and PNP sensors are types of bipolar junction transistors used in electronic circuits.

• NPN and PNP sensors are commonly used in industrial automation and control systems.

• NPN sensors use an N-type semiconductor sandwiched between two P-type semiconductors, while PNP sensors use a P-type semiconductor sandwiched between two N-type semiconductors.

• NPN sensors are active low devices, meaning they output a low voltage when activated, while PNP sensors are active high devices, me...read more

4G is faster than 3G due to advancements in technology and increased bandwidth.

• 4G uses more advanced modulation techniques to increase data transfer rates

• 4G has a wider bandwidth than 3G, allowing for more data to be transmitted at once

• 4G uses multiple antennas to improve signal strength and reduce interference

• 4G networks are designed to handle more data traffic than 3G networks

• Examples: LTE, WiMAX

Transistor principle is the ability of a small current to control a larger current in a circuit.

• Transistor is a three-layer semiconductor device.

• It works as an amplifier or a switch.

• The principle is based on the ability of a small current to control a larger current.

• The three layers are called emitter, base, and collector.

• The base current controls the flow of current between emitter and collector.

• Transistors are widely used in electronic devices such as radios, computers, and...read more

Ceiling fan windings and mixie motors are commonly changed and repaired by electronic technicians.

• Ceiling fan windings may need to be replaced if they are burnt out or damaged.

• Mixie motors may need to be replaced if they are not functioning properly.

• Electronic technicians have the skills and knowledge to diagnose and repair issues with ceiling fan windings and mixie motors.

Capacitor polarity refers to the orientation of the positive and negative terminals on a capacitor.

• Capacitors have a positive and negative terminal, with the positive terminal typically marked with a plus sign (+) or a longer lead

• It is important to observe the polarity when connecting capacitors in a circuit to prevent damage or malfunction

• Electrolytic capacitors are polarized, meaning they have a specific positive and negative terminal

• Non-polarized capacitors, such as cerami...read more

A single phase line is an electrical circuit that carries alternating current (AC) power at a voltage and frequency suitable for domestic and small commercial purposes.

• Single phase line has two conductors - one live/hot wire and one neutral wire.

• Commonly used in residential buildings for powering lighting, appliances, and other electrical devices.

• Voltage typically ranges from 100-240 volts, with a frequency of 50-60 Hz.

• Examples include power outlets in homes, small businesses...read more

My mother's name is Sarah Mathers.

• My mother's first name is Sarah.

• Her last name is Mathers.

• Sarah Mathers is my mother's full name.

I am leaving my previous job to seek new challenges and opportunities for growth in my career as an Electronic Technician.

• I felt that I had reached a plateau in my current role and wanted to explore new technologies.

• I am looking for a position that offers more hands-on experience with advanced electronic systems.

• The company culture was not aligned with my professional values, and I seek a more collaborative environment.

• I want to work in a company that invests in employee deve...read more

Diodes are electronic components that allow current to flow in one direction only, based on the principle of semiconductor junction.

• Diodes are made of semiconductor materials like silicon or germanium.

• They have two terminals - an anode (positive) and a cathode (negative).

• When a voltage is applied in the forward direction, the diode conducts current.

• In the reverse direction, the diode blocks current flow.

• Diodes are commonly used in rectifiers, voltage regulators, and signal de...read more

JCM stands for Jio Content Management System, a platform for managing digital content on Jio's network.

• JCM allows Jio to offer a wide range of digital content to its users, including movies, TV shows, music, and more.

• It also enables Jio to personalize content recommendations based on user preferences and viewing history.

• JCM is a key component of Jio's strategy to become a leading digital services provider in India.

• Jio has partnerships with major content providers like Netflix...read more

Single phase voltage refers to the voltage supplied by a single alternating current (AC) waveform.

• Single phase voltage is commonly used in residential and small commercial applications.

• It is characterized by a sinusoidal waveform with a single peak and trough per cycle.

• The voltage alternates between positive and negative values, providing power to electrical devices.

• In the United States, single phase voltage typically has a frequency of 60 Hz.

• Examples of single phase voltage ...read more

I last received a salary of $50,000 per year in my previous position.

• My last salary was $50,000 per year

• I received a raise of 5% in my last position

• I was earning $25 per hour in my previous job

Electronic Technicians can manufacture a wide range of products, including consumer electronics, industrial equipment, medical devices, and communication systems.

• Consumer electronics (e.g. smartphones, laptops, TVs)

• Industrial equipment (e.g. control systems, robotics)

• Medical devices (e.g. MRI machines, pacemakers)

• Communication systems (e.g. routers, satellites)

The software run time for a function refers to the amount of time it takes for the function to execute.

• Software run time can be affected by the complexity of the function, the efficiency of the code, and the hardware on which it is running.

• Optimizing code and using efficient algorithms can help reduce run time.

• Examples of measuring run time include using profiling tools or timing functions within the code.

A resistor is an electronic component that resists the flow of electrical current.

• Resistors are used to control the amount of current flowing in a circuit

• They are measured in ohms (Ω)

• Resistors can be fixed or variable, with variable resistors allowing for adjustable resistance

• Examples of resistors include carbon film resistors, metal film resistors, and wirewound resistors