HomeTestsSearchRankProfile

Emf Questions

Practice 4 Emf questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

๐Ÿ“š
4
Total Questions
๐ŸŸข
0
Easy
๐ŸŸก
3
Medium
๐Ÿ”ด
1
Hard
Practice by Exam:Chemistry(2)Physics(2)

About EMF โ€” practice questions, PYQs & concepts

EMF is a frequently-tested topic on Chemistry, Physics. ExamTest.live currently lists 4 EMF questions spanning previous-year papers from 2026 to 2026, 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.

EMF weight in competitive exams

Across our EMF question bank, the largest sources are Chemistry (2) and Physics (2). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 0 easy EMF questions are available โ€” build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 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 Emf Questions(1โ€“4 of 4)

Filter:
Q1mediummcqChemistryNEET (UG) 20172026
0% accuracy
In the electrochemical cell , the emf is . When the concentrations are swapped (, ), the emf is . The relationship is:
Q2hardmcqChemistryNEET (UG) 20182026
Consider the change in oxidation state of Bromine corresponding to different emf values: The species undergoing disproportionation is:
Q3mediummcqPhysicsNEET 20212026
In a potentiometer circuit a cell of EMF gives balance point at length of wire. If another cell of EMF replaces the first cell, then at what length of the wire, the balance point occurs?
Q4mediummcqPhysicsAIEEE 20032026
The length of a wire of a potentiometer is , and the e.m.f. of its standard cell is volt. It is employed to measure the e.m.f. of a battery whose internal resistance is . If the balance point is obtained at from the positive end, the e.m.f. of the battery is:

Frequently Asked Questions

How many Emf questions are on ExamTest.live?โ–ผ
We have 4 Emf questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Emf MCQs free?โ–ผ
Yes. All Emf questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Emf questions?โ–ผ
Emf questions are commonly asked in Chemistry, Physics. You can filter by exam using the links above.
How do I practice Emf 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.