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A qualitative approach to teaching capacitive circuits
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10.1119/1.4795589
/content/aapt/journal/ajp/81/5/10.1119/1.4795589
http://aip.metastore.ingenta.com/content/aapt/journal/ajp/81/5/10.1119/1.4795589
View: Figures

Figures

Image of Fig. 1.
Fig. 1.

(a) Example of a resistive circuit 80–90% of our students can consistently make qualitatively correct predictions about. (b) Example of a multiple battery circuit 95% of our students can make qualitatively correct predictions about.

Image of Fig. 2.
Fig. 2.

(a) Single-loop circuit consisting of a battery, a switch, a bulb, and a capacitor; (b) corresponding circuit with a second battery instead of a charged capacitor.

Image of Fig. 3.
Fig. 3.

Single-loop circuit consisting of two batteries, a switch, a bulb, and a capacitor.

Image of Fig. 4.
Fig. 4.

Circuit used to post-test series circuits: (a) Initial circuit; (c) middle battery removed; (d) middle battery in reverse orientation. The circuit used by Thacker is shown in (b); 1 and 2 are ammeters.

Image of Fig. 5.
Fig. 5.

(a) Circuit consisting of two batteries, a switch, two bulbs, and a capacitor in parallel with one of the bulbs; (b) corresponding circuit where the charged capacitor has been replaced with a battery.

Image of Fig. 6.
Fig. 6.

Circuit consisting of two batteries, a switch, two pieces of Nichrome wire, and a capacitor, used to investigate the time of a circuit.

Image of Fig. 7.
Fig. 7.

Circuits used in the post-test question on circuits with a capacitor parallel to a resistor.

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/content/aapt/journal/ajp/81/5/10.1119/1.4795589
2013-04-16
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A qualitative approach to teaching capacitive circuits
http://aip.metastore.ingenta.com/content/aapt/journal/ajp/81/5/10.1119/1.4795589
10.1119/1.4795589
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