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With reference to the use of electricity in your home, which of the following statements is/are correct? (i) Devices such as television operate on direct current (DC). (ii) Heavy appliances such as refrigerators operate on alternating current (AC). (iii) A power-surge protector is used with a battery back-up. (iv) Emergency lighting in houses operates on 220-volt DC supply. (v) Electric vehicles use battery-based direct current. Select the correct answer: (a) i, ii and v only (b) ii and iii only (c) iii and iv only (d) ii, iii, iv and v only
This question appeared in the HPSC Prelims 2021 examination (GS-II). It is Question 64 out of 198 questions in this paper.
This question was part of the HPSC Prelims 2021 (GS-II). The HPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all HPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.