Charging discharging capacitor experiment Four Wheel Two Motors Circuit analysis using kirchhoff current law CIRCUITO CASSAFORTE 1 Oscilloscope channels test Simple Circuit to control the Speed of the Motor Full wave bridge rectifier
With the switch off, the output of the bridge is unfiltered or 'not smoothed'. With the switch on, the charge on the capacitor fills in the gaps and the fan runs on something much closer to pure DC.