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Capacitor Circuit Quiz
June 1968 Popular Electronics

June 1968 Popular Electronics

June 1968 Popular Electronics Cover - RF CafeTable of Contents

People old and young enjoy waxing nostalgic about and learning some of the history of early electronics. Popular Electronics was published from October 1954 through April 1985. All copyrights are hereby acknowledged. See all articles from Popular Electronics.

Here is a nice quiz on calculating total equivalent capacitance for circuits containing various combination of series, parallel, and series-parallel connections. To help in calculation, all of the individual capacitor values are the same. Many of them you can probably solve in your head, especially if you mentally rearrange the circuit into a more readily recognizable configuration. For instance, circuit #1 can be redrawn having two parallel branches across the source. One branch has just a single capacitor while the other has two parallel capacitors in series with one capacitor. The equation is then C + (2C2/3C) = C + 2/3C = 5/3C. For C = 6 pF, Ctotal = 5/3*6 pF = 10 pF.

Capacitor Circuit Quiz

by Robert P. Balin

Capacitors are not only used as single units in electronic circuits, but are often combined in series or parallel with other capacitors. When connected in series, capacitors add like resistors in parallel. The exact formula for adding any two out of any number of capacitors in series is: CT = C1 x C2/C1 + C2. When connected in parallel, capacitors add like resistors in series, so that the total capacitance is equal to the sum of the separate values. To test your skill at working capacitor problems, try to find the total effective capacitance available in each of the circuits (1-10) shown below. Each capacitor is rated at 6 pF. Hint: Beware of capacitors that might be shorted out. Answers are at the bottom of the page.

Capacitor Circuit Quiz: 1 - RF Cafe

Capacitor Circuit Quiz: 2 - RF Cafe

Capacitor Circuit Quiz: 3 - RF Cafe

Capacitor Circuit Quiz: 4 - RF Cafe

Capacitor Circuit Quiz: 5 - RF Cafe

Capacitor Circuit Quiz: 6 - RF Cafe

Capacitor Circuit Quiz: 7 - RF Cafe

Capacitor Circuit Quiz: 8 - RF Cafe

Capacitor Circuit Quiz: 9 - RF Cafe

Capacitor Circuit Quiz: 10 - RF Cafe


Here are other Popular Electronics quizzes:

- Lamp Brightness Quiz, January 1969
- Graph Interpretation Quiz, April 1967
- Electronic Quizoo, October 1962
- Electronic Photo Album Quiz, Mar 1963
- Electronic Analogy Quiz, Nov 1961
- Electronic Alphabet Quiz, May 1963
- RC Circuit Quiz, Jun 1963
- Diode Quiz, Jul 1961
- Kool-Keeping Kwiz, Jun 1970
- Electronic Curves Quiz, Feb 1963
- Electronic Numbers Quiz, Dec 1962
- Energy Conversion Quiz, Apr 1963
- Coil Function Quiz, Jun 1962
- Electronics Analogy Quiz, Aug 1960
- Audio Quiz, April 1955
- Electronic Unit Quiz, May 1962
- Capacitor Circuit Quiz, Jun 1968
- Magnetic Phenomena Quiz, Feb 1962
- Electronics Geography Quiz, Apr 1970
- Electronic Menu Quiz,  Aug 1963
- Electronic Noise Quiz, Aug 1962
- Electronic Current Quiz, Oct 1963
- Electronic Inventors Quiz, Nov 1963
- Resistor Function Quiz, Jan 1962
- Electronic Measurement Quiz, Jan 1963
- Vacuum Tube Quiz, Feb 1961














Capacitor Quiz Answers

1    10 pF

2    6 pF

3    12 pF

4    9 pF

5    16 pF

6    8 pF

7    5 pF

8    3 pF

9    15 pF

10   4 pF



Posted July 4, 2013

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