Top 100+ Circuit Design Interview Questions And 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.
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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.
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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
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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.
