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MHT CET Medical202621 April 2026Morning ShiftPhysicsSemiconductorsActual

The components which are used in regulated power supply as rectifier, filter and voltage regulator are

Options

  1. Atransformer, inductor and capacitor
  2. Btransformer, capacitor and Zener diode
  3. Cp-n junction diodes, Zener diode and inductor
  4. Dp-n junction diode, capacitor and Zener diode

Correct answer

D. p-n junction diode, capacitor and Zener diode

Step-by-step solution

In a regulated power supply, the following components are used for specific functions: 1. Rectifier: A p-n junction diode is used to convert alternating current (AC) into pulsating direct current (DC). 2. Filter: A capacitor is connected in parallel to the load to smooth out the ripples from the pulsating DC, providing a steadier DC voltage. 3. Voltage Regulator: A Zener diode is used in reverse bias to maintain a constant output voltage across the load, regardless of variations in the input voltage or load current

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