Capacitor Investigation

This apparatus provides a self-contained unit to enable students to study the charge and discharge characteristics of a capacitor.
The large value of C (0.01 F) and the resistor chosen give a time constant of about 50 seconds so that students can easily take a manual set of readings for plotting a graph. Data-logging equipment can just as easily be used and if a faster response is required a parallel resistor could be plugged in.
Connections are by standard 4 mm plugs and analogue or digital meters are suitable.

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