HomeTestsSearchRankProfile

Power Factor Questions

Practice 3 Power Factor questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

๐Ÿ“š
3
Total Questions
๐ŸŸข
0
Easy
๐ŸŸก
2
Medium
๐Ÿ”ด
1
Hard
Practice by Exam:Physics(3)

About Power Factor โ€” practice questions, PYQs & concepts

Power Factor is a frequently-tested topic on Physics. ExamTest.live currently lists 3 Power Factor questions, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year โ€” every answer key is free, no sign-up required.

Power Factor weight in competitive exams

Across our Power Factor question bank, the largest sources are Physics (3). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 0 easy Power Factor questions are available โ€” build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right โ€” the explanation often surfaces a faster approach you can reuse.

All Power Factor Questions(1โ€“3 of 3)

Filter:
Q1mediummcqPhysicsPhysics
In an a.c. circuit the e.m.f. () and the current () at any instant are given respectively by and . The average power in the circuit over one cycle of a.c. is:
Q2hardmcqPhysicsPhysics
In an electrical circuit and an a.c voltage source are all connected in series. When is removed, the phase difference is . If instead is removed, the phase difference is again . The power factor of the circuit is:
Q3mediummcqPhysicsPhysics
The potential differences across the resistance, capacitance and inductance are and respectively in an L-C-R circuit. The power factor of this circuit is:

Frequently Asked Questions

How many Power Factor questions are on ExamTest.live?โ–ผ
We have 3 Power Factor questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Power Factor MCQs free?โ–ผ
Yes. All Power Factor questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Power Factor questions?โ–ผ
Power Factor questions are commonly asked in Physics. You can filter by exam using the links above.
How do I practice Power Factor questions effectively?โ–ผ
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.