Physics Electronics NUMS 2022
PMDC Verified Question 469 of 494
The conversion of alternating current into direct current is called:
A
Amplification
B
Rectification
C
Magnification
D
Resolution
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Rectification
Concept:

Standard terminology defines the various manipulations of electrical signals.

Solution:

  • The deliberate process of blocking or inverting the reverse-flowing portion of an alternating current (AC) so that it flows exclusively in one direction (DC) is termed Rectification.


Why other options are incorrect:

  • Amplification: Increasing the magnitude of a signal.


  • Magnification / Resolution: Terms primarily used in optics and imaging, completely unrelated to AC/DC conversion.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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