Explain the process of charging and discharging based on the voltage and current curves.

Determine the related equations for the voltage and current curves

Formulate the instantaneous voltage / current equation.

Determine the time constant, = CR Determine the energy stored in a

capacitor. Solve problems on capacitors

t = 5

a. Time constant , = CRb. Initial Charging current I max = V/Rc. Charging voltage of

capacitor,

Vc = Vmax (1 – e -t/ )d. Charging current

i = Imax (e -t/ )

e. Initial rate of change potential difference dVc = V / CR dtf. Time when capacitor fully charge

t = 5g. Energy stored, E = ½ CVmax2

a. Time constant , = CRb. Initial disharging current I max = V/Rc. Disharging voltage of

capacitor,Vc = Vmax ( e -t/ )d. Discharging current i = - Imax (e -t/ )

e. Initial rate of change potential difference dVc = V / CR dtf. Time when capacitor decrease

charge

t = 5