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Title: CAPACTITANCE
Description: Revision notes and definitions with worked examples and formulae
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What is a Capacitor
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Capacitors are electrical devices
used to store energy in electronic
circuits, commonly for a backup
release of energy if the power fails
They can be in the form of:
o An isolated spherical conductor
o Parallel plates
Capacitors are marked with a value of
capacitance
...
The
capacitor itself store charge
...
3 kV
...

Step 1: Write down the known quantities

Capacitance, C = 1 nF = 1 × 10-9 F
Potential difference, V = 0
...
3 × 103 V
Step 2: Write out the equation for capacitance

Step 3: Rearrange for charge Q
Q = CV
Step 4: Substitute in values
Q = (1 × 10-9) × (0
Title: CAPACTITANCE
Description: Revision notes and definitions with worked examples and formulae
Buy These NotesPreview