3.Consider the RC circuit below. lok a 4K tzó see lok 20k 20k 80k 2mf (a)The switch S has been at position 'a' for a long time.Calculate: (i)the capacitor's voltage when charging of the capacitor ends (ii)the build-up equation of the capacitor's voltage, Vc(t) (iii)ithe energy initially stored in the capacitor
3.Consider the RC circuit below. lok a 4K tzó see lok 20k 20k 80k 2mf (a)The switch S has been at position 'a' for a long time.Calculate: (i)the capacitor's voltage when charging of the capacitor ends (ii)the build-up equation of the capacitor's voltage, Vc(t) (iii)ithe energy initially stored in the capacitor
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Transcribed Image Text:3.Consider the RC circuit below.
lok
a
4K
tzó
50,
lok
20k
80k
20k
2mf
(a)The switch S has been at position 'a' for a long time.Calculate:
(i)the capacitor's voltage when charging of the capacitor ends
(ii)the build-up equation of the capacitor's voltage, Vc(t)
(iii)the energy initially stored in the capacitor
(b)Now the switch is moved to position 'b'.Capacitor will now discharge in the resistors.Calculate the
decay equation of the capacitor's voltage.
(i)Calculate the discharging current of the capacitor
(ii)Calculate the current in 80 Kilo-ohm when discharging occurs.
(iii)Calculate the energy dissipated in 80 Kilo-ohm
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