June 1966 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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Here is the 46th quiz I have
posted from 1960s and 1970s issues of Electronics World and Popular Electronics
magazines. Most of were created by Robert P. Balin. I like to save them for Friday
afternoons. Guys like me who cut our teeth on analog meters read these indications like
a second language. Even novices usually do a good job on the meter needles, but reading
a mechanical micrometer (#9) might be more of a challenge, especially if you have never
used one before. The same goes for a dial caliper. Can you read the dials on a mechanical
gas or electric meter, where some spin CW and others spin CCW?
Meter-Reading Quiz
By Robert P. Balin
Electronic technician's, hobbyists, and experimenters
are constantly required to make measurements using test instruments with a variety of
dial calibrations. For in addition to the voltmeter, ammeter, ohmmeter, wattmeter, vu
meter, etc., there are other instruments which, though seldom used by the average hobbyist,
are of equal importance to the technician or experimenter. The micrometer is one of these.
Before testing your skill at reading meters, note the following useful procedures:
(1) Locate the zero index.
(2) Examine the scale to determine if it is linear or not.
(3) Determine the value of each major division and its subdivisions.
(4) Try to be as accurate as possible when approximating position of pointer or index
within a scale division.
Now, see how accurately you can read the following meter scales, to the nearest tenths
or hundredths.
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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Meter Quiz Answers
The meter pointer (or index) indication is determined partly by counting the number
of divisions-which is exact - and partly by estimating. Therefore, you may come up with
a slightly different reading than the answers given below:
1) 0.29 ma.
2) 1.65 megohms
3) -8.4 db (38%)
4) 7.7 volts
5) 16.3 ohms
6) 13.0 μa.
7) 102 volts
8) 1.25
9) 6.984 mm. The smallest division on the sleeve (stationary part) of this metric
micrometer is 0.5 mm.; therefore, the reading is 6.500 mm., plus the reading of the thimble
(rotating part). The smallest division on the thimble is 0.01 mm., giving a reading of
0.484 mm. for a total of 6.984 mm.
10) 76.7 Reading from the zero index mark on the vernier (stationary tab), the
indication is between 76 and 77 on the dial. Observe that the seventh division mark on
the vernier is the only mark that coincides precisely with a dial scale division mark.
This indication adds 0.7, for a reading of 76.7.
Posted July 19, 2018
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