Circuit Design Interview Questions with Answers
Question: 1. The Numerical Values Of What Circuit Elements Are Typically Represented Using Colored Stripes?
Answer:
The numerical values of resistors circuit elements are normally represented the use of coloured stripes.
Question: 2. Which Of These Statements Expresses De Morgan’s Theorem?
Answer:
NOT (A AND B) = (NOT A) OR (NOT B)
Electrical and Electronics Engineering Interview Questions
Question: three. In A Low-skip Filter Consisting Of A Resistor And A Capacitor, How Will The Cut-off Frequency Change If The Capacitance Is Increased?
Answer:
The cut-off frequency is decrease for larger capacitances.
Question: 4. In A High-pass Filter Consisting Of A Resistor And A Capacitor, How Will The Cut-off Frequency Change If The Capacitance Is Increased?
Answer:
The cut-off frequency is lower for large capacitances.
Power Electronics Tutorial
Question: 5. A High-voltage Primary Circuit Is Isolated With The Use Of An Optocoupler On A Secondary Circuit. Does The Addition Of The Optocoupler Add Inductance To Either Circuit?
Answer:
no, the optocoupler does no longer add inductance.
Electrical Engineering Interview Questions
Question: 6. Consider A Switch On A High-voltage Circuit That Is Unsafe To Operate Manually. How Might The Switch Be Safely Actuated?
Answer:
by way of the usage of a secondary, low-voltage relay circuit.
Question: 7. To What Does The “pattern Rate” Of A Signal Refer?
Answer:
how often in time the signal is sampled.
Power Electronics Interview Questions
Question: 8. Which Model Is Generally Used For Transmission Lines?
Answer:
dispensed element version is normally used for transmission traces.
Question: nine. How To Use Breadboard?
Answer:
Breadboard used as a construction base for prototyping of a circuit.
BHEL Interview Questions
Question: 10. How Does The Breakdown Voltage Of A Dielectric Depend Upon Its Thickness?
Answer:
a thick layer of dielectric has a higher breakdown voltage than a thinner layer of the same dielectric.
Question: eleven. If In A Circuit The Input Voltage (vin) Is Applied Across The Series Impedances Z1 And Z2 And The Output Is Taken Across Z2, What Is The Output Voltage (vout) Given By?
Answer:
[Z2 / (Z1 + Z2)] . Vin
Control Systems-Electrical Engineering Interview Questions
Question: 12. A String Of Decorative Holiday Lights Are Lit Except For Two Burnt-out Bulbs. Are The Bulbs Of The String Wired In Parallel Or Series With Each Other?
Answer:
The lights should be stressed in parallel with every other.
Electrical and Electronics Engineering Interview Questions
Question: 13. How Many Diodes Are Required To Build The Bridge In A Full-wave Rectifier That Does Not Employ A Transformer?
Answer:
4 diodes are required to build the bridge in a full-wave rectifier that does not employ a transformer.
Question: 14. According To Kirchhoff’s Voltage Law, The Sum Of The Emfs In Any Closed Loop Is Equal To?
Answer:
The sum of the capability drops in that loop.
Question: 15. What Are The Names Of The Three Terminals On A Bjt Transistor?
Answer:
base
collector
emitter
Electrical Machines Interview Questions
Question: sixteen. Which Is A Primary Disadvantage Of A Solid-kingdom Amplifier Compared With A Vacuum-tube Amplifier?
Answer:
terrible tolerance for high -modern-day and -voltage transients.
Question: 17. How Is The Nyquist Rate For A Signal Related To The Bandwidth Of The Signal?
Answer:
a wider bandwidth requires a higher Nyquist fee.
Electrical Power System Interview Questions
Question: 18. What Is The Approximate Impedance Of A Universal Serial Bus (usb) Computer Connection?
Answer:
50 Ohm
Electrical Engineering Interview Questions
Question: 19. What Is The Function Of A Diode Clamp?
Answer:
to preserve the voltage of a signal between constant bounds.
Question: 20. To What Do The “rails” Of An Operational Amplifier Refer?
Answer:
the potentials of the positive and poor terminals of the strength supply.
Electrical Drives Interview Questions
Question: 21. In A Differentiator Circuit, The Output Is Approximately?
Answer:
directly proportional to the charge of trade of enter.
Question: 22. One 50-ohm Resistor And Two Parallel one hundred-ohm Resistors Have The Same Impedance. In Which System Do The Resistors Have Lower Current When Dissipating 1 Kw?
Answer:
the device with two one hundred-Ohm resistors.
Question: 23. On A Printed Circuit Board That Supports Several Different Inductors In Different Circuits, Are There Any Constraints To The Layout Of The Inductors?
Answer:
Yes, the inductors need to be orientated at proper angles in an effort to keep away from coupling.
Electric Power Generation Interview Questions
Question: 24. On A Printed Circuit Board, What Is A Flux Capacitor?
Answer:
An exploitation of the capacitance this is because of the lateral electric powered flux between adjacent printed conductors.
Power Electronics Interview Questions
Question: 25. What Is The Characteristic Feature Of Heterodyne Processing Compared With Homodyne Processing?
Answer:
best heterodyne processing employs frequency conversion.
Question: 26. The Self-precipitated Back Voltage In A Circuit That Occurs When An Inductive Dc Circuit Is Opened May Be Safely Routed Away From The Switch With A Diode Connected Across The Inductor And Against The Dc Voltage. What Is The Main Disadvantage Of This Practice?
Answer:
the decay of the modern inside the inductor is distinctly gradual.
Question: 27. Why Does An “l Pad” Impedance-matching Network Bear That Name?
Answer:
Because the 2 resistors within the community are historically oriented inside the form of the capital letter “L” on schematic drawings.
BHEL Interview Questions
Question: 28. In A High-bypass Filter Consisting Of A Resistor And An Inductor, How Will The Cut-off Frequency Change If The Inductance Is Increased?
Answer:
The cut-off frequency is lower for large inductances.
Question: 29. Dithering Of An Audiofrequency Signal Typically Occurs At What Stage?
Answer:
following virtual-to-analog conversion and prior to playback.
Question: 30. Which Of The Following Statements Can Be Made Concerning A Xnor (b Xnor C) = (a Xnor B) Xnor C ?
Answer:
this is real due to the fact XNOR is associative.