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 8 of 15

Discover more Topics under Electrical Measurement and Instrumentation

Q71.
How is the voltage drop across a low resistance related to lead resistance?

a.

it contains contact resistance

b.

it depends on the magnitude of voltage drop

c.

it depends on the type of null detector used

d.

It does not contain any contact resistance

Discuss
Answer: (d).It does not contain any contact resistance
Q72.
Which is not a source of error in the measurement of low resistance?

a.

contact resistance drops at the leads

b.

thermal e.m.f

c.

temperature effect

d.

power dissipation through the circuit

Discuss
Answer: (a).contact resistance drops at the leads
Q73.
Which is the most popular method for measuring low resistance?

a.

ammeter-voltmeter method

b.

potentiometer method

c.

kelvin double bridge method

d.

ducter ohmmeter method

Discuss
Answer: (c).kelvin double bridge method
Q74.
How is the contact resistance related to the circuit while measuring a low resistance?

a.

independent of the type of resistance

b.

it is negligible

c.

depends on the e.m.f source

d.

it is very high

Discuss
Answer: (b).it is negligible
Q75.
Kelvin’s bridge consists of _________

a.

double bridge

b.

single bridge

c.

half bridge

d.

three fourth bridge

Discuss
Answer: (a).double bridge
Q76.
In the Wheatstone bridge shown below, if the resistance in each arm is increased by 0.05%, then the value of Vout will be ________

a.

50 mV

b.

Zero

c.

5mV

d.

0.1mV

Discuss
Answer: (b).Zero
Q77.
The range of resistance measured in a Kelvin bridge is _________

a.

10Ξ© to 10 mΞ©

b.

1Ξ© to 10 ΞΌΞ©

c.

0.01Ξ© to 10 MΞ©

d.

0.1Ξ© to 10 nΞ©

Discuss
Answer: (b).1Ξ© to 10 ΞΌΞ©
Q78.
Accuracy of Kelvin bridge is of the order of _________

a.

±0.5 to ±2 %

b.

±0.05 to ±0.02 %

c.

±0.05 to ±0.2 %

d.

±0.005 to ±0.02 %

Discuss
Answer: (c).±0.05 to ±0.2 %
Q79.
What is the balance equation of Kelvin bridge?

a.

Rβ‚“ = \(\frac{R_2 R_3}{R_1}\)

b.

Rβ‚“ = \(\frac{R_1 R_2}{R_3}\)

c.

Rβ‚“ = \(\frac{R_1}{R_2}\)

d.

Rβ‚“ = \(\frac{R_1 R_3}{R_2}\)

Discuss
Answer: (d).Rβ‚“ = \(\frac{R_1 R_3}{R_2}\)
Q80.
What is the effect of load and contact resistance in Kelvin bridge?

a.

independent

b.

fully dependent

c.

partially dependent

d.

depends on the resistance value

Discuss
Answer: (a).independent
Page 8 of 15