Topics
Points of Emphasis
Prerequisites
Lab Activities
Using an electrometer, the students:
1. experimentally confirm the equivalent capacitance relationships for series and parallel capacitance
circuits;
2. experimentally confirm the theoretically predicted equivalent capacitance for two combination
circuits;
3. experimentally measure the capacitance of an unknown capacitor using two methods -- charge
sharing and voltage ratio;
4. experimentally measure the capacitance of an unknown capacitor with a capacitance much less than
the standard using the repeated charge sharing method; and
5. experimentally confirm the capacitance relationships in a homework problem given in the writeup.
Quantitative experimental results tend to be within 10% of the expected values.
Course Level
Introductory: P4, P14, P16
Student Handouts
Equipment
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Number of set-ups available: 10
Per lab station:
1 electrometer
1 0-5 V power supply
1 red peg board
3 white conducting strips
4 banana leads
2 alligator clips
1 standard capacitor
2 unknown capacitors
1 .01 µfarad capacitor
1 .02 µfarad capacitor
1 .03 µfarad capacitor
1 .05 µfarad capacitor
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Notes
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