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← Topic 19 overviewTOPIC 19 ASSESSMENT

Capacitance

CIE-style questions assess capacitance, capacitor combinations, stored energy and exponential charging and discharging.

Objective question 1

Capacitance is charge stored per unit:

Objective question 2

For capacitors in parallel, equivalent capacitance is:

Objective question 3

Capacitors in series carry equal:

Objective question 4

Energy stored by a capacitor is:

Objective question 5

After one time constant of discharge, charge is approximately:

Structured question 1

Calculate charge on a 6.0 μF capacitor at 12 V.

Structured question 2

Calculate the equivalent capacitance of 6.0 μF and 3.0 μF in series.

Structured question 3

Calculate time constant for R = 2.0 MΩ and C = 5.0 μF.