Physics Electronics ETEA 2012
PMDC Verified Question 483 of 494
Conversion of alternating current into direct current is called:
A
Amplification
B
Oscillation
C
Rectification
D
Regeneration
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Rectification
Concept:

The fundamental process of translating an alternating waveform (which changes direction periodically) into a unidirectional waveform is a core electronics principle.

Solution:

  • An alternating current (AC) flows in both directions, whereas a direct current (DC) flows only in one direction.


  • The specific process of converting AC to DC using electronic components (like diodes) is formally defined as rectification.


Why other options are incorrect:

  • Amplification: Increasing the amplitude of a signal.


  • Oscillation: Converting DC into AC.


  • Regeneration: Feeding a portion of the output back into the input to boost signal strength.

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