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Capacitor discharge




1 Read information given and setup
circuit as shown.
2 Time value (e.g. 10s) and resistor value
given
3 Draw table for figures found from
Voltmeter (three readings for accuracy +
find an average) n> number of capacitors
(when adding more capacitors add in
series), do 5/6 at…

Page 2

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Capacitor discharge





9 Draw worst acceptable line, use this to determine the percentage
uncertainty in the graph.
yx-yx
yx ×100


10Determine uncertainty of C
Work out uncertainty of t, R, k, add them to work put % uncertainty of C.

11Comment on the reliability using table + graph
Scattered values…

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