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KCET2016PhysicsSemiconductors

Constant DC voltage is required from a variable AC voltage. Which of the following is correct order of operation?

Options

  1. ARegulator, filter, rectifien
  2. BRectifier, regulator, filter
  3. CRectifier, filter, regulator
  4. DFilter, regulator, rectifien

Correct answer

C. Rectifier, filter, regulator

Step-by-step solution

In order of obtain a constant dc voltage from a variable acsource following operations should be performed:1. Rectifier: it converts full ac signal to pulsating dc signal. 2. Filter: The pulsating dc signal is converted to pure dc signal. 3. Regulator: It provides stable dc voltage independent to the load current and ac source voltage variations.

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