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Why capacitor used in rectifier circuit?

Updated: 8/20/2019
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10y ago

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To smooth the output of the pulsating DC.

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Q: Why capacitor used in rectifier circuit?
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Related questions

Why capacitor is used in circuit board?

use as coupling in some circuts and and as a filter in rectifier circuit. use as DC current blocking.


What is the advantage of full wave capacitor rectifier circuit?

to get maximum dc output


How do you determine the size of acapacitor in a rectifier circuit?

ANSWER In rectifiers for power supplies, the capacitor size is determined by the allowable ripple on the output. This can be determined by the rate at which the capacitor is drained. Specifically, this rate is the current drawn from the capacitor. Assume a half wave rectifier made from four diodes. For part of the cycle, the output current is supplied by the rectifier diode. This is also when the capacitor is charged. While the rectifier is not supplying current -- when the input waveform has dropped below the output voltage -- the capacitor must supply the current. Then, as the input waveform rises above the capacitor voltage, the rectifier supplies the current to charge the capacitor and the output circuit.


What is a rectifier with a single capacitor filter suitable to supply?

A circuit that doesn't require a lot of filtering such as a charging circuit for a battery. In a single capacitor filter, the sine wave or AC doesn't get completely eliminated.


How can capacitor smooth or reduce the ripple of the voltage produced by the rectifier?

when rectifier is on, the capacitor is almost transparent (it charges to the voltage provided from the rectifier) when rectifier is off, capacitor holds the peak voltage since it stored a charge during rectifier on time.


Output voltage of half wave rectifier without capacitor filter is less or more than rectifier with capacitor filter?

less


How the capacitor removes the ripples from the rectified voltage?

During the AC cycle, the capacitor charges when the rectifier conducts, and maintains the voltage when the rectifier is not conducting.


Natural commutation is used in which kind of circuit?

phase controlled RECTIFIER circuit used Natural Commutation......


What converts an alternating current to diredt current?

Alternating Current can be converted to Direct Current by using a DC Converter which contain a Bridge Circuit , a Capacitor and if needed a Transformer.CommentA 'DC converter' is normally called a rectifier.


What is the difference between with capacitor rectifier and without capacitor rectifier?

To know the difference between capacitor and non capacitor rectifiers one must study what is the function of filter part.the filter part consists of capacitors or inductors or combination of both. the output of a simple diode rectifier is pulsating dc which means it consists of both dc part and ac part. filters are used to remove the ac part from such an output. capacitor filter means that a capacitor is used for filtering out the ac part. non capacitor or inductor filter means that an inductor is used for filtering out the ac part. There is another type called pii filter where both inductor and capacitor are used. Pii filter is the best kind of filter available


What circuit is to be added to a full wave rectifier to produce a smooth DC?

put capacitor parallel on load (peak rectifier) or add low frequency pass filter (composed of L & C) to remove AC components


Including a full-wave rectifier in an ac circuit will yield a n---- current?

With the rectifier alone, the result is d.c. but with a voltage ripple caused by the rectifier diodes not being absolute in action. The rectifier needs following with a smoothing circuit, a suitable capacitor at its simplest, to remove the ripple.