Full Wave Rectifier
Figure
1 shows typical circuit of a full wave rectifier. The circuit consists of a
center tapped transformer and diodes D1 and D2.
During the positive half cycle of the input voltage, the point A is at a higher potential than that of the point B and the diode D1 conducts. The current through the load resistance RL follows the path APQRC as shown in Fig.
During
the negative half cycle of the input voltage, point B is at higher potential
than point A and the diode D2 conducts. The current through the load
resistance RL follows the path BPQRC.
Thus,
the current flowing through the load resistance is in the same direction during
both the cycles.
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