For which of the following applications is the use of direct current (DC) absolutely necessary?

Rectifiers and Converters MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Rectifiers and Converterselectrical-engineering-mcqs › rectifiers-and-converters
Published
16 Dec 2018
Last updated
28 May 2026

Browse all Rectifiers and Converters MCQs

Choose the correct answer

Explanation

Direct current is crucial for electrolysis because the process requires a steady, unidirectional flow of electric charge to drive chemical reactions. While lighting, variable speed control, and traction can use AC or DC, electrolysis specifically depends on DC.

PakQuizHub — free MCQs and past papers for Pakistan government job tests. Content is for educational practice only.