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.

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Measurement of Resistance MCQs | Page 1 of 15

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Q1.
Circuit shows the method of Measurement of low resistance by Ammeter-Voltmeter method. What is the percentage error?
Discuss
Answer: (c).\(– \frac{R_x}{R_x + R_v} × 100\)
Q2.
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 Ω.
The value of R is?
Discuss
Answer: (c).12.25 Ω
Q3.
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 Ω.
The possible error in the measurement of R is?
Discuss
Answer: (a).±0.11 Ω
Q4.
A bridge circuit is used for the measurement of which of the following components?
Discuss
Answer: (a).Resistance, capacitance, and inductance
Q5.
A simple bridge circuit consists of a network of __________
Discuss
Answer: (c).4 resistance arms
Q6.
What is applied to the two opposite junctions of a bridge circuit?
Discuss
Answer: (b).source of current
Q7.
A bridge circuit uses which method of measurement?
Discuss
Answer: (d).comparison
Q8.
Which principle operates a bridge circuit?
Discuss
Answer: (a).null indication
Q9.
The accuracy of a bridge depends on the _________
Discuss
Answer: (b).bridge components
Discuss
Answer: (c).When no current flows through the galvanometer