capacitors

• What does a capacitor do?


  It stores charge
• What is capacitance?


  The charge stored per unit of potential difference
• What is the equation for capacitance?

  C=Q/V
• On a charge voltage graph, what does the gradient represent?

  Capacitance
• On a charge voltage graph, what does the area represent?

  Energy stored
• what is the equation for energy stored by a capacitor?

  $E=$$(1/2) QV$