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Alternating sources of AC and DC power
They both have the same current.
what is the function of transformer in the half wave rectifier circuit
Its no longer a rectifier and the resistors may catch fire.
Bridge diodes are generally used in a bridge rectifier to convert AC into DC.
A: This type of rectifier circuit will conduct current trough a load both times during the AC positive and negative cycle
Output voltage is higher!!!
If diode in the bridge circuit becomes open the circuit will become a half wave rectifier instead, but if a diode in a full wave rectifier opens then the whole circuit becomes open. (No current flow). ************************************************************** The outputs of the bridge and the two-diode full wave rectifier are not the same. For the rectified voltage to be the same value, the two-diode full wave rectifier must be supplied from a centre tapped transformer winding, the total voltage of which is twice that necessary for the bridge rectifier circuit. Furthermore, the maximum d.c. which may be drawn from the centre tapped transformer/two-diode arrangement, assuming capacitive filtering, is the same value as the transformer secondary winding's capacity. In the case of the bridge, the maximum d.c. which may be drawn, also assuming capacitive filtering, is 62% of the transformer secondary winding's capacity.
in full wave bridge rectifier, the input and out put voltages are same but in case of two diode rectifier the input and output voltages can be different as per requirement a there is a transformer in the circuit. The former is lighter and the later is heavier.
to take an AC source and turn it into a DC output it would need to go through a bridge rectifier, then into a smoothing circuit, then into a stabilisation circuit, a transformer may be used before the bridge rectifier to either step-up or step down the voltage.
Four diode rectifier not require a center tapped transformer.
Bridge Rectifier DiodesIn a "bridge" rectifier there is 4 diodes In a "full wave" there are 2 diodes.In a "half wave" rectifier there is 1 diode.
bridge rectifier is the best rectifier.