Measurement of Resistance MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Measurement of Resistance, a fundamental topic in the field of Electrical Measurement and Instrumentation. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Measurement of Resistance MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Measurement of Resistance mcq questions that explore various aspects of Measurement of Resistance problems. Each MCQ is crafted to challenge your understanding of Measurement of Resistance principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electrical Measurement and Instrumentation tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Measurement of Resistance MCQs are your pathway to success in mastering this essential Electrical Measurement and Instrumentation topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Measurement of Resistance. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Measurement of Resistance knowledge to the test? Let's get started with our carefully curated MCQs!

Measurement of Resistance MCQs | Page 3 of 15

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Q21.
A galvanometer is used as a _________
Discuss
Answer: (c).null detector
Q22.
The opposite two ends of a Wheatstone bridge consist of _________
Discuss
Answer: (b).e.m.f and null detector
Q23.
The arms consisting of the resistances Rโ‚ and Rโ‚‚ are called _________
Discuss
Answer: (d).ratio arms
Q24.
The arm consisting of the standard known resistance Rโ‚ƒ is known as __________
Discuss
Answer: (a).standard arm
Q25.
Circuit shows the method of Measurement of low resistance by Ammeter-Voltmeter method. What is the percentage error?
Discuss
Answer: (c).\(โ€“ \frac{R_x}{R_x + R_v} × 100\)
Q26.
A resistance R is measured using the connection shown in the below figure.

The current measured is 10 A on ranges 100A and the voltage measured is 125 V on 150 V range. The scales of the ammeter and voltmeter are uniform. The total number of scale divisions of the ammeter is 100 and that of the voltmeter is 150. The scale division can be distinguished. The constructional error of the ammeter is ± 0.3% and that of voltmeter±0.4%. The resistance of the ammeter is 0.25 โ„ฆ.
The value of R is?
Discuss
Answer: (c).12.25 โ„ฆ
Q27.
A resistance R is measured using the connection shown in the below figure.

The current measured is 10 A on ranges 100A and the voltage measured is 125 V on 150 V range. The scales of the ammeter and voltmeter are uniform. The total number of scale divisions of the ammeter is 100 and that of the voltmeter is 150. The scale division can be distinguished. The constructional error of the ammeter is ± 0.3% and that of voltmeter±0.4%. The resistance of the ammeter is 0.25 โ„ฆ.
The possible error in the measurement of R is?
Discuss
Answer: (a).±0.11 โ„ฆ
Discuss
Answer: (b).unknown resistance to be measured
Q29.
What is connected between the two ends of a Wheatstone bridge?
Discuss
Answer: (c).battery and galvanometer
Q30.
Wheatstone bridge works on the principle of ________
Discuss
Answer: (d).null deflection