Uses of Rectifier

Uses of Rectifier

We know that the core uses of rectifier is to convert AC current into DC current. Rectifier consists of semiconductor diodes to do this function. There are various types of rectifiers namely: half wave, full wave and full wave bridge.

Some of the applications and uses of rectifiers are in:

  • Appliances
  • Used with transformers
  • Soldering
  • AM radio
  • Pulse generated circuits
  • Signal demodulation
  • Voltage Multiplier

Because of the low cost compared to the center tapped, rectifier are majorly used in power supply circuits.

Rectifier is used for powering appliances

As we are aware that all electrical appliances uses DC power supply to function. Using a rectifier in the power supply helps in converting AC to DC power supply. Bridge rectifiers are widely used for large appliances, where they are capable of converting high AC voltage to low DC voltage.

These are used with transformers

Use of a half wave rectifier can help us achieve the desired dc voltage by using a step down or step up transformers. Full wave rectifiers are even used for powering up motor and led, which works on DC voltage.

Uses of rectifier while soldering

Half wave rectifier are used in soldering iron types of circuit and is also used in mosquito repellent to drive the lead for the fumes. In electric welding, bridge rectifier circuits are used to supply steady and polarized DC voltage.

It is also used in AM radio

A half wave rectifiers are used in AM radio as a detector because the output consists of an audio signal. Due to the less intensity of current, it is of very less use to the more complex rectifier.

Uses of Rectifier in circuits

A half wave rectifier is used in firing circuits and pulse generating circuits.

It is used for modulation

For demodulating the amplitude of a modulated signal, a half wave rectifier is used. In a radio signal, to detect the amplitude of a modulating signal, a full wave bridge rectifier is used.

It is used in voltage multiplier

For the purpose of voltage multiplier, a half wave rectifier is used.

These were the applications of rectifiers, if you wish to know more, download BYJU’S The Learning App.


Practise This Question

A uniform solid sphere of mass m and radius R is placed on a horizontal surface. A horizontal linear impulse P is applied at a height R2 above its center. Find the velocity of center of mass and angular velocity of sphere just after the impulse is applied.