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Half Wave Rectifier Lab Report

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5.5.1.1 WORKING OF HALF WAVE RECTIFIER
The input applied to the rectifier circuit is sinusoidal. The half rectifier will allow only the positive half cycles and blocks the negative half cycles. Now we will see how diode blocks the negative half cycle and pass the positive half cycle.
POSITIVE HALF CYCLE:
During the positive half –cycle of the input voltage the diode is forward biased and it conducts and a current flows through the load resistor to produce output voltage
NEGATIVE HALF CYCLE:
During the negative half cycle of the input a.c voltage the diode is reversed and it does not conduct therefore no current flows in the circuit and output voltage across the load resistor is zero.
5.5.1.2 CHARACTERISTICS OF HALF WAVE RECTIFIER
• Efficiency of half wave rectifier is 40.6%.
• The ripple factor of half wave rectifier is about 1.21

5.5.2 FULL WAVE RECTIFIER CIRCUIT
Full wave rectifier with that type of rectifier which utilizes both the half cycle of ac input voltage. Hence in a full wave rectifier and one direction current flows through the lord's during the entire circuit of input voltage there are two types of full wave rectifier circuits.
There are two types of full wave rectifier …show more content…

Therefore the output is obtain is smoother and more effective. This circuit uses two diode in the circuit with centre type transformer. In this rectifier circuit two diodes are used in which one diode is for one half cycle and second diode for another half cycle. The transformer which is used is multi winding transformer whose secondary winding is divided equally into two half winding with a common centre tapped joint. By this configuration we see each diode when its anode is connected to positive terminal of supply and cathode is connected to the negative terminal of the supply and the output will obtain during both the half

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