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RF Cafe Quiz #13

RF Engineering Quizzes - RF Cafe WebsiteAll RF Cafe Quizzes make great fodder for employment interviews for technicians or engineers - particularly those who are fresh out of school or are relatively new to the work world. Come to think of it, they would make equally excellent study material for the same persons who are going to be interviewed for a job. Bonne chance, Viel Glück, がんばろう, buena suerte, удачи, in bocca al lupo, 행운을 빕니다, ádh mór, בהצלחה, lykke til, 祝你好運. Well, you know what I mean: Good luck!

Click here for the complete list of RF Cafe Quizzes.

Note: Some material based on books have quoted passages.

1. Which "hand rule" applies for determining the direction of the magnetic field around a current-carrying wire? Assume conventional current flow from positive to negative, and magnetic field leaving the north pole and entering the south pole.

a) Right-hand rule

b) Left-hand rule

c) Whole-hand rule

2. What is the name given to the display

    pattern when independent signals are fed

    into the x-axis and y-axis ports of an

    oscilloscope?

a) X-Y waveform

b) Lissajous waveform

c) Complex

3. How is the word "Fresnel" pronounced (as in Fresnel zone or Fresnel grating)?

a) frēs-nĕl'

b) frā-nĕl'

c) frĕs-nĕl'

RF Cafe - 4. What type of filter is shown to the right?

a) Lowpass

b) Highpass

c) Bandpass

RF Cafe - 5. What is the order of the filter shown to the right?

a) 2

b) 4

c) 6

RF Cafe - 6. What type of transmission line is shown to the right?

a) Coaxial

b) Stripline

c) Microstrip

RF Cafe - 7. What type of waveguide bend is shown to the right?

a) 90° Maxwell bend

b) 90° H-Plane bend

c) 90° E-Plane bend

8. What is the value of the resistor shown on to the right?

a) 6.2 kΩ, ±5%

b) 62 kΩ, ±5%

c) 62 kΩ, ±10%

9. What serious problem is commonly caused with lead-free, tin-alloy solders

a) Tin whiskers

b) Cold flowing

c) Spontaneous combustion

10. Which is the earliest RF Cafe logo?

a) RF Cafe -      b) RF Cafe -      c) RF Cafe -

Need some help? Click here for the answers and explanations.

Quizzes from vintage electronics magazines such as Popular Electronics, Electronics-World, QST, Radio-Electronics, and Radio News were published over the years - some really simple and others not so simple. Robert P. Balin created most of the quizzes for Popular Electronics. This is a listing of all I have posted thus far.

RF Cafe Quizzes

Vintage Electronics Magazine Quizzes

Vintage Electronics Magazine Quizzes
Windfreak Technologies SynthHD PRO - RF Cafe Website

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2026
Webmaster: Kirt Blattenberger
   BSEE - KB3UON - AMA92498
   USAF Radar Technician

About RF Cafe

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

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