Top 30 SMPS Interview Questions and Answers

Updated 18 Nov 2024

Q1. If SMPS not working how you can troubleshoot?

Ans.

To troubleshoot a non-working SMPS, check power connections, test the power supply, inspect for physical damage, and replace faulty components.

  • Check power connections and ensure they are properly plugged in

  • Test the power supply using a multimeter to check if it is providing the correct voltage

  • Inspect the SMPS for any physical damage such as burnt components or bulging capacitors

  • Replace faulty components like blown fuses, damaged capacitors, or faulty fans

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Q2. What is smps and their types

Ans.

SMPS stands for Switched Mode Power Supply. There are mainly two types of SMPS - AC to DC and DC to DC.

  • SMPS is a power supply unit that uses switching devices to convert electrical power efficiently.

  • AC to DC SMPS converts AC voltage to DC voltage and is used in computers, TVs, etc.

  • DC to DC SMPS converts one DC voltage level to another and is used in mobile phones, laptops, etc.

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Q3. How to test SMPS

Ans.

To test an SMPS, you can use a multimeter to measure voltage outputs, check for abnormal noises or smells, and inspect for physical damage.

  • Use a multimeter to measure the voltage outputs of the SMPS.

  • Check for any abnormal noises or smells coming from the SMPS.

  • Inspect the SMPS for any physical damage, such as burnt components or bulging capacitors.

  • Ensure that the SMPS is properly connected to the motherboard and other components.

  • Test the SMPS with a known working system to see...read more

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Q4. What's is SMPS, Battery bank

Ans.

SMPS stands for Switched Mode Power Supply. Battery bank refers to a collection of batteries used to store electrical energy.

  • SMPS is a type of power supply that uses switching regulators to convert electrical power efficiently.

  • Battery bank is a collection of batteries that are connected together to store electrical energy for later use.

  • SMPS is commonly used in electronic devices such as computers, televisions, and audio equipment.

  • Battery banks are used in off-grid solar syste...read more

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Q5. What is smps in computer?

Ans.

SMPS stands for Switched Mode Power Supply. It is a device that converts AC power to DC power for use in a computer.

  • SMPS is responsible for providing power to all the components of a computer.

  • It is usually located at the back of the computer case and has a fan for cooling.

  • SMPS can vary in wattage depending on the power requirements of the computer.

  • It is important to choose a high-quality SMPS to ensure stable and reliable power supply to the computer.

  • Examples of popular SMPS ...read more

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Q6. SMPS not working what will you troubleshoot

Ans.

Check input power, fuse, output voltage, components, and connections.

  • Check if the input power is reaching the SMPS.

  • Inspect the fuse to see if it is blown.

  • Measure the output voltage to ensure it is within specifications.

  • Inspect components for any visible damage or signs of failure.

  • Check connections for loose or faulty wiring.

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Q7. How to check a SMPS?

Ans.

To check a SMPS, you can use a multimeter to test the voltage output and check for any physical damage.

  • Use a multimeter to test the voltage output of the SMPS

  • Check for any physical damage such as burnt components or bulging capacitors

  • Ensure all connections are secure and properly plugged in

  • Listen for any unusual noises coming from the SMPS during operation

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Q8. How to Connect two different amps SMPS

Ans.

To connect two different amps SMPS, use a common ground connection and ensure the voltage levels are compatible.

  • Ensure both SMPS have a common ground connection for stability.

  • Check the voltage levels of both amps to ensure they are compatible.

  • Use appropriate connectors and cables to make the connection secure.

  • Consult the manuals of both amps for specific instructions on connecting multiple SMPS.

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Q9. How to short SMPS, how to finde problems

Ans.

Shorting SMPS involves bridging the green and black wires. Problems can be found through testing voltage and current.

  • To short SMPS, bridge the green and black wires on the 24-pin connector

  • Use a multimeter to test voltage and current on the various connectors

  • Check for blown capacitors or burnt components on the SMPS board

  • Ensure proper grounding and connections between the SMPS and other components

Add your answer

Q10. What's smps and it's working?

Ans.

SMPS stands for Switched Mode Power Supply. It is a type of power supply that uses switching devices to convert electrical power efficiently.

  • SMPS converts AC voltage to DC voltage using high-frequency switching circuits

  • It is more efficient and lighter than traditional linear power supplies

  • Examples include laptop chargers, LED drivers, and power adapters

Add your answer

Q11. What is SMPSâť“DO u use it in your data centerâť“

Ans.

SMPS stands for Switched Mode Power Supply. It is commonly used in data centers for efficient power conversion.

  • SMPS is a type of power supply that uses a switching regulator to convert electrical power efficiently.

  • It is commonly used in data centers to provide stable and efficient power to servers and networking equipment.

  • SMPS can handle a wide range of input voltages and frequencies, making it versatile for different applications.

  • Examples of SMPS brands commonly used in data...read more

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Q12. What is RAM? What is SMPS?

Ans.

RAM is a type of computer memory that stores data temporarily. SMPS is a device that converts AC power to DC power for computer components.

  • RAM stands for Random Access Memory

  • It is a volatile memory, meaning it loses its data when power is turned off

  • It is used to store data and instructions that the CPU needs to access quickly

  • Examples of RAM include DDR3 and DDR4

  • SMPS stands for Switched Mode Power Supply

  • It is a device that converts AC power from the wall outlet to DC power for...read more

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Q13. What is UPS and SMPS

Ans.

UPS stands for Uninterruptible Power Supply, used to provide backup power during electrical outages. SMPS stands for Switched-Mode Power Supply, used to convert AC power to DC power efficiently.

  • UPS ensures continuous power supply to connected devices during power outages

  • SMPS converts AC power from the wall outlet to DC power for the computer components

  • UPS typically includes a battery to provide backup power

  • SMPS is more efficient than traditional linear power supplies

  • Examples:...read more

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Q14. Full from of SMPS ? what is Latest processor?

Ans.

SMPS stands for Switched Mode Power Supply. Latest processor is Intel Core i9-11900K.

  • SMPS is a type of power supply that uses switching regulators to convert electrical power efficiently.

  • Intel Core i9-11900K is the latest processor from Intel's 11th generation of processors.

  • It has a base clock speed of 3.5 GHz and can boost up to 5.3 GHz.

  • It has 8 cores and 16 threads, making it ideal for high-performance computing tasks.

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Q15. Make a principal diagram for SMPS

Ans.

A principal diagram for SMPS is a schematic representation of the components and connections in a Switched Mode Power Supply.

  • The diagram should include the input and output connections, the transformer, the rectifier, the filter capacitor, the switching transistor, and the feedback circuit.

  • The input voltage is rectified and filtered to provide a DC voltage that is switched on and off by the transistor to produce a high-frequency AC voltage.

  • This AC voltage is then stepped down...read more

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Q16. How do you power on an smps without plug it in?

Ans.

You cannot power on an SMPS without plugging it in.

  • It is not possible to power on an SMPS without plugging it in.

  • An SMPS requires a power source to function.

  • Attempting to power on an SMPS without plugging it in can be dangerous and should not be attempted.

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Q17. How to turn on SMPS with Jumper wire

Ans.

To turn on SMPS with Jumper wire, connect the green wire to any black wire on the 24-pin ATX connector.

  • Locate the 24-pin ATX connector on the motherboard.

  • Identify the green wire and any black wire on the connector.

  • Use a jumper wire to connect the green wire to the black wire.

  • The SMPS should turn on when the connection is made.

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Q18. Tell me about some electronics components which one they will be used in SMPS.

Ans.

Some electronics components used in SMPS include capacitors, inductors, diodes, transistors, and transformers.

  • Capacitors: Store and release electrical energy

  • Inductors: Store energy in a magnetic field

  • Diodes: Allow current to flow in one direction

  • Transistors: Control the flow of current

  • Transformers: Change voltage levels

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Q19. What's smps? What's pcl?

Ans.

SMPS stands for Switched Mode Power Supply, which is a type of power supply that uses switching devices to convert electrical power efficiently. PCL stands for Printer Command Language, a language used to control computer printers.

  • SMPS is a power supply that converts electrical power efficiently using switching devices.

  • PCL is a language used to control computer printers and send commands for printing tasks.

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Q20. Firatly th three pin power point then wire then the smps.

Ans.

The question is unclear and lacks context.

  • Please provide more information or clarify the question.

  • It is difficult to understand what is being asked.

  • Without additional context, it is impossible to provide a meaningful answer.

Add your answer

Q21. What is SMPS BB

Ans.

SMPS BB stands for Switched-Mode Power Supply Broadband

  • SMPS BB is a type of power supply that converts electrical power efficiently

  • It is commonly used in electronic devices to provide stable and regulated power

  • SMPS BB operates at high frequencies, allowing for smaller and lighter power supplies

  • It is designed to handle a wide range of input voltages and provide a constant output voltage

  • Examples of devices that use SMPS BB include computers, televisions, and mobile phones

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Q22. What is the long form of SMPS

Ans.

SMPS stands for Switched Mode Power Supply.

  • SMPS is a type of power supply that uses switching devices to convert electrical power efficiently.

  • It is commonly used in electronic devices such as computers, televisions, and mobile phones.

  • SMPS operates by rapidly switching the input voltage on and off to regulate the output voltage.

  • It provides a more efficient and compact solution compared to linear power supplies.

  • Examples of SMPS topologies include buck, boost, and flyback conver...read more

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Q23. How you should check a SMPS

Ans.

To check a SMPS, you should perform visual inspection, test the voltage outputs, check for abnormal noises, and test the fan.

  • Perform a visual inspection for any physical damage or burnt components

  • Test the voltage outputs using a multimeter to ensure they are within the specified range

  • Check for abnormal noises such as buzzing or clicking sounds

  • Test the fan to ensure it is functioning properly and not clogged with dust

Add your answer

Q24. What is SMPS (switch mode power supply)

Ans.

SMPS is a power supply that uses high-frequency switching to convert AC voltage to DC voltage.

  • SMPS is more efficient than traditional linear power supplies

  • It uses a switching regulator to control the output voltage

  • SMPS can be found in computers, TVs, and other electronic devices

  • It can be designed to work with different input voltages and frequencies

Add your answer

Q25. What is this SMPS

Ans.

SMPS stands for Switched-Mode Power Supply, a type of power supply that uses switching devices to regulate the output voltage.

  • SMPS is more efficient than traditional linear power supplies

  • It converts AC voltage to DC voltage

  • It uses high-frequency switching to regulate the output voltage

  • Examples include laptop chargers and desktop computer power supplies

Add your answer

Q26. What is smps.why we used

Ans.

SMPS stands for Switched Mode Power Supply. It is used to convert AC voltage to DC voltage.

  • SMPS is a power supply unit that uses switching devices to convert AC voltage to DC voltage.

  • It is used in electronic devices such as computers, televisions, and audio equipment.

  • SMPS is more efficient than traditional linear power supplies.

  • It can provide a stable output voltage even with varying input voltage.

  • SMPS can be designed to provide different output voltages and currents for diff...read more

Add your answer

Q27. What SMPS is working

Ans.

I'm sorry, but I need more context to answer this question.

  • Please provide more information about the context of the question.

  • SMPS can refer to several things, such as Switched-Mode Power Supply or Society for Marketing Professional Services.

  • Without more information, it is impossible to determine which SMPS is being referred to.

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Q28. How to identify SMPS working or not with help of only power cord and smps.

Ans.

To identify if SMPS is working or not with only power cord and SMPS, check for LED light and fan movement.

  • Check if the LED light on the SMPS is on

  • Listen for the sound of the fan movement

  • Check if the SMPS is heating up

  • Use a multimeter to check the voltage output

  • Check if the computer or device is receiving power

Add your answer

Q29. What is smps describe

Ans.

SMPS stands for Switched Mode Power Supply, a type of power supply that uses switching devices to convert electrical power efficiently.

  • Converts AC voltage to DC voltage

  • Uses high-frequency switching to regulate output voltage

  • More efficient and lighter than traditional linear power supplies

  • Commonly used in computers, TVs, and other electronic devices

View 1 answer

Q30. What is purpose ofSMPS

Ans.

SMPS stands for Switched Mode Power Supply, used to convert electrical power efficiently.

  • Converts AC to DC power

  • Provides stable output voltage

  • Efficiently regulates power flow

  • Used in electronic devices like computers, TVs, and LED lights

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Q31. What is role of SMPS

Ans.

SMPS stands for Switched Mode Power Supply. It is used to convert AC voltage to DC voltage.

  • SMPS is used in electronic devices to provide a stable and efficient power supply.

  • It uses a switching regulator to convert the input voltage to the desired output voltage.

  • SMPS is commonly used in computers, televisions, and other electronic devices.

  • It is more efficient than traditional linear power supplies.

  • SMPS can be designed to provide different output voltages and currents for diffe...read more

Add your answer

Q32. Whaat is smps and explain

Ans.

SMPS stands for Switched Mode Power Supply, a type of power supply that uses switching devices to convert electrical power efficiently.

  • SMPS is more efficient than traditional linear power supplies.

  • It uses high-frequency switching to regulate the output voltage.

  • Common examples include laptop chargers and desktop computer power supplies.

Add your answer
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Q33. power carrier colour codes in SMPS & there input voltage

Ans.

Power carrier colour codes in SMPS & their input voltage

  • Power carriers in SMPS (Switched Mode Power Supplies) are typically color-coded for easy identification.

  • The color codes may vary depending on the manufacturer and region, but some common color codes include:

  • 1. Red: +5V

  • 2. Yellow: +12V

  • 3. Blue: -12V

  • 4. Orange: +3.3V

  • 5. Black: Ground (0V)

  • These color codes help in correctly identifying and connecting the power carriers in an SMPS.

  • The input voltage of an SMPS can vary depending ...read more

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Q34. How does working the SMPS

Ans.

SMPS stands for Switched Mode Power Supply.

  • SMPS is a type of power supply that uses switching regulators to convert electrical power efficiently.

  • It is commonly used in desktop computers to convert AC power from the wall outlet to DC power for the computer components.

  • SMPS operates by rapidly switching the input voltage on and off, and then filtering and regulating the output voltage.

  • It provides a stable and efficient power supply for the computer, reducing heat generation and ...read more

Add your answer

Q35. SMPS Function and working principle

Ans.

SMPS stands for Switched Mode Power Supply. It is a type of power supply that uses switching devices to convert electrical power efficiently.

  • SMPS converts AC voltage to DC voltage through a switching regulator

  • It is more efficient than linear power supplies as it reduces power loss

  • SMPS can be found in various electronic devices like computers, TVs, and mobile chargers

Add your answer
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