January 1965 Popular Electronics
Table of Contents
Wax nostalgic about and learn from the history of early electronics. See articles
from
Popular Electronics,
published October 1954 - April 1985. All copyrights are hereby acknowledged.
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Unless I find one I missed
from my collection of vintage Popular Electronics
magazines, this could be the last Friday electronics quiz for a while. All of the quizzes were created by Robert p. Balin, and range in difficulty
from relatively easy to head scratchers (for typical test takers like myownself). Sometimes
modern readers will be stumped by references to dated drawings and/or terms like vacuum
tubes and CRTs (which are themselves vacuum tubes, of course). This Electronics Geometry
Quiz might require a Millennial handicap on item "E" if you spaz out over the picture, but if you get the other nine correct,
you'll get all ten by default. This is might be the easiest yet (I easily got 10:10). Go ahead and give it a try.
Electronic Geometry Quiz
By Robert P. Balin
Often electronic components and circuits are named after their geometrical form or
their. characteristic behavior curve. Examples are rhombic antennas, cosine deflection
yokes, sine- and square-wave generators, etc. See if you can match the names of the curves
and solids (1-10) at right with the drawings of their applications (A-J).
1 Cardioid ___
2 Catenary ___
3 Cone ___
4 Ellipse ___
5 Exponential ___
6 Helix ___
7 Paraboloid ___
8 Polyhedron ___
9 Toroid ___
10 Trapezoid ___

  
 
See answers below.
Quizzes from vintage electronics magazines such as Popular
Electronics, Electronics-World, QST, 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.
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-
Elementary
Radio Quiz - December 1947 Radio-Craft
- Hi-Fi
Quiz - October 1955 Radio & Television News
- Electronics Physics
Quiz - March 1974 Popular Electronics
- A Baffling Quiz
- January 1968 Popular Electronics
- Electronics IQ
Quiz - May 1967 Popular Electronics
- Plug and Jack
Quiz - December 1967 Popular Electronics
- Electronic
Switching Quiz - October 1967 Popular Electronics
- Electronic
Angle Quiz - September 1967 Popular Electronics
- International
Electronics Quiz - July 1967 Popular Electronics
- FM Radio
Quiz - April 1950 Radio & Television News
- Bridge Circuit
Quiz -December 1966 Popular Electronics
- Diode Function
Quiz - August 1965 Popular Electronics
- Diagram Quiz,
August 1966 Popular Electronics
- Quist Quiz - November
1953 QST
- TV Trouble Quiz,
July 1966 Popular Electronics
- Electronics History Quiz,
December 1965 Popular Electronics
- Scope-Trace Quiz,
March 1965 Popular Electronics
-
Electronic
Circuit Analogy Quiz, April 1973
-
Test Your Knowledge of Semiconductors, August 1972 Popular Electronics
- Ganged Switching
Quiz, April 1972 Popular Electronics
- Lamp Brightness
Quiz, January 1969 Popular Electronics
- Lissajous Pattern Quiz, September 1963 Popular Electronics
- Electronic
Quizoo, October 1962 Popular Electronics
- Electronic Photo Album Quiz, March 1963 Popular Electronics
- Electronic Alphabet Quiz, May 1963 Popular Electronics
- Quiz: Resistive?
Inductive? or Capacitive?, October 1960 Popular Electronics
- Vector-Circuit Matching Quiz, June 1970 Popular Electronics
- Inductance
Quiz, September 1961 Popular Electronics
- RC Circuit Quiz,
June 1963 Popular Electronics
- Diode Quiz, July
1961 Popular Electronics
- Electronic Curves Quiz, February 1963 Popular Electronics
- Electronic Numbers Quiz, December 1962 Popular Electronics
- Energy Conversion Quiz, April 1963 Popular Electronics
- Coil Function
Quiz, June 1962 Popular Electronics
-
Co-Inventors Quiz - January 1965 Electronics World
-
"-Tron" Teasers Quiz - October 1963 Electronics World
- Polarity Quiz
- March 1968 Popular Electronics
-
Television
I.Q. Quiz - October 1948 Radio & Television News
- Amplifier Quiz
Part I - February 1964 Popular Electronics
- Semiconductor
Quiz - February 1967 Popular Electronics
- Unknown
Frequency Quiz - September 1965 Popular Electronics
- Electronics
Metals Quiz - October 1964 Popular Electronics
- Electronics
Measurement Quiz - August 1967 Popular Electronics
- Meter-Reading
Quiz, June 1966 Popular Electronics
- Electronic
Geometry Quiz, January 1965 Popular Electronics
- Electronic
Factor Quiz, November 1966 Popular Electronics
- Electronics
Math Quiz, November 1965 Popular Electronics
- Series Circuit
Quiz, May 1966 Popular Electronics
- Electrochemistry
Quiz, March 1966 Popular Electronics
- Biz
Quiz: Test Your Sales Ability - April 1947 Radio News
- Electronic
Analogy Quiz, November 1961 Popular Electronics
- Electronic
Coupling Quiz, August 1973 Popular Electronics
- Electronics Analogy Quiz, August 1960 Popular Electronics
- Audio Quiz, April
1955 Popular Electronics
- Electronic Unit
Quiz, May 1962 Popular Electronics
- Capacitor
Circuit Quiz, June 1968 Popular Electronics
- Quiz on AC Circuit Theory, December 1970 Popular Electronics
- Magnetic Phenomena Quiz, February 1962 Popular Electronics
- Electronics Geography Quiz, April 1970 Popular Electronics
- Electronic
Menu Quiz, August 1963 Popular Electronics
- Electronic Noise Quiz, August 1962 Popular Electronics
- Electronic Current Quiz, October 1963 Popular Electronics
- Electronic Inventors Quiz, November 1963 Popular Electronics
- Resistor Function
Quiz, January 1962 Popular Electronics
- Electronic Measurement Quiz, January 1963 Popular Electronics
- Vacuum Tube Quiz,
February 1961 Popular Electronics
- Kool-Keeping Kwiz, June
1970 Popular Electronics
- Find the Brightest
Bulb Quiz, April 1960 Popular Electronics
-
Where Do the Scientists Belong? - Feb 19, 1949 Saturday Evening
Post
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Geometry Quiz Answers
1 - J) Cardioid pattern graphically shows typical directional response characteristics
of many good microphones.
2 - C) Catenary curve is the shape assumed by a long-line antenna freely suspended
between two towers.
3 - H) Cone shape is the most common design for loudspeaker diaphragms.
4 - D) Ellipse as seen on the screen of an oscilloscope shows the phase relationship
between two signals that are essentially the same.
5 - G) Exponential curve shows graphically the typical charging rate function
of a capacitor.
6 - E) Helix is the shape of the grid winding in many vacuum tubes. Certain
antennas for telemetry applications also have a helix-shaped element.
7 - A) Paraboloid is the shape of "dishes" used as signal-focusing reflectors
for microwave equipment.
8 - I) Polyhedron is the form of multi-faced solid in which mineral crystals
such as quartz are found.
9 - B) Toroid is a doughnut-shaped coil used in computer magnetic memory cores,
integrated circuits, and other high efficiency applications.
10 - F) Trapezoid as seen on the screen of an oscilloscope can be interpreted
to reveal the percent of amplitude modulation of a carrier signal.
Posted June 1, 2018
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