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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which Of The Following Statements Can Be Made Concerning A Xnor (b Xnor C) = (a Xnor B) Xnor C ? |
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Answer» this is TRUE because XNOR is ASSOCIATIVE. this is true because XNOR is associative. |
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| 2. |
Dithering Of An Audiofrequency Signal Typically Occurs At What Stage? |
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Answer» FOLLOWING digital-to-analog CONVERSION and PRIOR to PLAYBACK. following digital-to-analog conversion and prior to playback. |
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| 3. |
In A High-pass Filter Consisting Of A Resistor And An Inductor, How Will The Cut-off Frequency Change If The Inductance Is Increased? |
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Answer» The cut-off FREQUENCY is LOWER for LARGER INDUCTANCES. The cut-off frequency is lower for larger inductances. |
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| 4. |
Why Does An "l Pad" Impedance-matching Network Bear That Name? |
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Answer» Because the TWO resistors in the network are TRADITIONALLY ORIENTED in the shape of the CAPITAL letter "L" on SCHEMATIC drawings. Because the two resistors in the network are traditionally oriented in the shape of the capital letter "L" on schematic drawings. |
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| 5. |
The Self-induced 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? |
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Answer» the DECAY of the CURRENT in the INDUCTOR is RELATIVELY SLOW. the decay of the current in the inductor is relatively slow. |
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| 6. |
What Is The Characteristic Feature Of Heterodyne Processing Compared With Homodyne Processing? |
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Answer» only HETERODYNE PROCESSING EMPLOYS FREQUENCY CONVERSION. only heterodyne processing employs frequency conversion. |
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| 7. |
On A Printed Circuit Board, What Is A Flux Capacitor? |
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Answer» An exploitation of the capacitance that is due to the lateral electric FLUX between TWO ADJACENT PRINTED conductors. An exploitation of the capacitance that is due to the lateral electric flux between two adjacent printed conductors. |
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| 8. |
On A Printed Circuit Board That Supports Several Different Inductors In Different Circuits, Are There Any Constraints To The Layout Of The Inductors? |
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Answer» YES, the INDUCTORS must be ORIENTED at right angles in ORDER to AVOID coupling. Yes, the inductors must be oriented at right angles in order to avoid coupling. |
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| 9. |
One 50-ohm Resistor And Two Parallel 100-ohm Resistors Have The Same Impedance. In Which System Do The Resistors Have Lower Current When Dissipating 1 Kw? |
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Answer» the SYSTEM with TWO 100-Ohm RESISTORS. the system with two 100-Ohm resistors. |
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| 10. |
In A Differentiator Circuit, The Output Is Approximately? |
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Answer» DIRECTLY PROPORTIONAL to the RATE of CHANGE of INPUT. directly proportional to the rate of change of input. |
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| 11. |
To What Do The "rails" Of An Operational Amplifier Refer? |
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Answer» the potentials of the POSITIVE and NEGATIVE TERMINALS of the POWER supply. the potentials of the positive and negative terminals of the power supply. |
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| 12. |
What Is The Function Of A Diode Clamp? |
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Answer» to MAINTAIN the VOLTAGE of a SIGNAL between FIXED BOUNDS. to maintain the voltage of a signal between fixed bounds. |
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| 13. |
What Is The Approximate Impedance Of A Universal Serial Bus (usb) Computer Connection? |
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Answer» 50 Ohm |
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| 14. |
How Is The Nyquist Rate For A Signal Related To The Bandwidth Of The Signal? |
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Answer» a wider BANDWIDTH REQUIRES a higher NYQUIST RATE. a wider bandwidth requires a higher Nyquist rate. |
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| 15. |
Which Is A Primary Disadvantage Of A Solid-state Amplifier Compared With A Vacuum-tube Amplifier? |
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Answer» POOR TOLERANCE for high -current and -VOLTAGE transients. poor tolerance for high -current and -voltage transients. |
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| 17. |
According To Kirchhoff's Voltage Law, The Sum Of The Emfs In Any Closed Loop Is Equal To? |
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Answer» The SUM of the POTENTIAL DROPS in that LOOP. The sum of the potential drops in that loop. |
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| 18. |
How Many Diodes Are Required To Build The Bridge In A Full-wave Rectifier That Does Not Employ A Transformer? |
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Answer» four DIODES are required to build the BRIDGE in a full-wave RECTIFIER that does not EMPLOY a transformer. four diodes are required to build the bridge in a full-wave rectifier that does not employ a transformer. |
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| 19. |
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? |
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Answer» The LIGHTS MUST be WIRED in PARALLEL with each other. The lights must be wired in parallel with each other. |
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| 20. |
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? |
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Answer» [Z2 / (Z1 + Z2)] . Vin |
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| 21. |
How Does The Breakdown Voltage Of A Dielectric Depend Upon Its Thickness? |
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Answer» a THICK LAYER of dielectric has a higher BREAKDOWN VOLTAGE than a thinner layer of the same dielectric. a thick layer of dielectric has a higher breakdown voltage than a thinner layer of the same dielectric. |
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| 22. |
How To Use Breadboard? |
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Answer» Breadboard USED as a CONSTRUCTION base for PROTOTYPING of a CIRCUIT. Breadboard used as a construction base for prototyping of a circuit. |
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| 23. |
Which Model Is Generally Used For Transmission Lines? |
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Answer» distributed ELEMENT MODEL is GENERALLY used for TRANSMISSION lines. distributed element model is generally used for transmission lines. |
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| 24. |
To What Does The "sample Rate" Of A Signal Refer? |
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Answer» how OFTEN in TIME the SIGNAL is SAMPLED. how often in time the signal is sampled. |
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| 25. |
Consider A Switch On A High-voltage Circuit That Is Unsafe To Operate Manually. How Might The Switch Be Safely Actuated? |
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Answer» by USING a SECONDARY, low-voltage RELAY CIRCUIT. by using a secondary, low-voltage relay circuit. |
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| 26. |
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? |
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Answer» no, the OPTOCOUPLER does not ADD INDUCTANCE. no, the optocoupler does not add inductance. |
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| 27. |
In A High-pass Filter Consisting Of A Resistor And A Capacitor, How Will The Cut-off Frequency Change If The Capacitance Is Increased? |
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Answer» The cut-off FREQUENCY is LOWER for LARGER CAPACITANCES. The cut-off frequency is lower for larger capacitances. |
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| 28. |
In A Low-pass Filter Consisting Of A Resistor And A Capacitor, How Will The Cut-off Frequency Change If The Capacitance Is Increased? |
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Answer» The cut-off FREQUENCY is LOWER for LARGER CAPACITANCES. The cut-off frequency is lower for larger capacitances. |
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| 29. |
Which Of These Statements Expresses De Morgan's Theorem? |
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Answer» NOT (A AND B) = (NOT A) OR (NOT B) NOT (A AND B) = (NOT A) OR (NOT B) |
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| 30. |
The Numerical Values Of What Circuit Elements Are Typically Represented Using Colored Stripes? |
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Answer» The NUMERICAL values of resistors circuit ELEMENTS are TYPICALLY represented using colored STRIPES. The numerical values of resistors circuit elements are typically represented using colored stripes. |
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