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Potentiometer Questions

Practice 10 Potentiometer questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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10
Total Questions
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1
Easy
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8
Medium
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1
Hard
Practice by Exam:Physics(10)

About Potentiometer — practice questions, PYQs & concepts

Potentiometer is a frequently-tested topic on Physics. ExamTest.live currently lists 10 Potentiometer 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 — every answer key is free, no sign-up required.

Potentiometer weight in competitive exams

Across our Potentiometer question bank, the largest sources are Physics (10). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 1 easy Potentiometer questions are available — 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.
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All Potentiometer Questions(1–10 of 10)

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Q1easymcqPhysicsNEET (UG) 20172026
0% accuracy
A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F, because the method involves:
Q2mediummcqPhysicsNEET 20172026
A potentiometer is an accurate and versatile device to make electrical measurements of , because the method involves:
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?
Q4mediummcqPhysicsAIEEE2026
In a potentiometer experiment the balancing with a cell is at length . On shunting the cell with a resistance of the balancing length becomes . The internal resistance of the cell is:
Q5mediummcqPhysicsAIEEE 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:
Q6hardmcqPhysicsPhysics
A cell can be balanced against and of potentiometer wire, respectively with and without being short circuited through a resistance of . Its internal resistance is:
Q7mediummcqPhysicsPhysics
A potentiometer circuit is set up as shown. The potential gradient, across the potentiometer wire, is and the ammeter reads when two way key is switched off. The balance points, when the key between the terminals (i) 1 and 2 (ii) 1 and 3, is plugged in, are found to be at lengths and respectively. The magnitudes, of the resistors and , in ohms, are:
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Q8mediummcqPhysicsPhysics
A potentiometer circuit has been set up for finding the internal resistance of a given cell. When the resistance, , connected across the given cell, has values of (i) infinity and (ii) , the 'balancing lengths' are found to be and , respectively. The value of internal resistance of the cell is:
Q9mediummcqPhysicsPhysics
A potentiometer wire of length and a resistance are connected in series with a battery of e.m.f. and a resistance . An unknown e.m.f. is balanced at a length of the potentiometer wire. The e.m.f. will be given by:
Q10mediummcqPhysicsPhysics
A potentiometer wire is long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at and from the positive end of the wire in the two cases. The ratio of emf’s is:

Frequently Asked Questions

How many Potentiometer questions are on ExamTest.live?▼
We have 10 Potentiometer questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Potentiometer MCQs free?▼
Yes. All Potentiometer questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Potentiometer questions?▼
Potentiometer questions are commonly asked in Physics. You can filter by exam using the links above.
How do I practice Potentiometer questions effectively?▼
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.