Which device is minimally influenced by variations in the frequency of the supply voltage?

Economics of Power Generation MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Economics of Power Generationelectrical-engineering-mcqs › economics-of-power-generation
Published
3 Dec 2018
Last updated
28 May 2026

Browse all Economics of Power Generation MCQs

Choose the correct answer

Explanation

Among the listed devices, a space heater's operation is largely unaffected by changes in the supply voltage frequency, unlike electric timers, food processors, and fans which rely on frequency for their performance.

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