Fig. 4 shows the charging and discharging circuit of a polarized capacitor. a) Draw the charging and discharging circuit

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Fig 4 Shows The Charging And Discharging Circuit Of A Polarized Capacitor A Draw The Charging And Discharging Circuit 1 (42.4 KiB) Viewed 37 times

Fig. 4 shows the charging and discharging circuit of a polarized capacitor. a) Draw the charging and discharging circuits in separate diagrams. [4 marks] b) Calculate the time constant of the charging and discharging modes. [5 marks] c) If switch S, is closed and Sy is kept open at time t=0, explain the operation [8 marks] of the circuit with the aid of diagrams and voltage/current waveforms. d) If switch S, is opened and S2 is closed at time t=57, explain the operation of [8 marks] the circuit with the aid of diagrams and voltage/current waveforms. S1 S2 LED1 +LCI 470 F Vs 4lif LED2 9.00V R1 3300 Fig. 4