Question

How to minimize the drift in the value of resistance measured using a Wheatstone bridge?

a.

by using a high precision null detector

b.

by keeping the lead wire resistances within 0.2 mΩ

c.

by using a e.m.f source of minimum value

d.

by minimizing the flow of current

Answer: (b).by keeping the lead wire resistances within 0.2 mΩ

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. How to minimize the drift in the value of resistance measured using a Wheatstone bridge?

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Low resistance refers to _________

Q. What is the significance of measuring low resistances?

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

Q. Which is not a source of error in the measurement of low resistance?

Q. Which is the most popular method for measuring low resistance?

Q. How is the contact resistance related to the circuit while measuring a low resistance?

Q. Kelvin’s bridge consists of _________

Q. The range of resistance measured in a Kelvin bridge is _________

Q. Accuracy of Kelvin bridge is of the order of _________

Q. What is the balance equation of Kelvin bridge?

Q. What is the effect of load and contact resistance in Kelvin bridge?

Q. The relation between ratio of resistance arms and ratio of resistance arms of second bridge is _________

Q. Why Kelvin bridge is used for measurement of low resistance?

Q. What is the condition to achieve a high sensitivity in a Kelvin bridge?

Q. Kelvin bridge can be calibrated to read _________

Q. Why can’t a Kelvin bridge be used for the measurement of low Quality factor value?

Q. High resistances are of the order of __________

Q. Megger is a ________

Q. Megger is also used for ________

Q. Megger works on the principle of ________

Recommended Subjects

Are you eager to expand your knowledge beyond Electrical Measurement and Instrumentation? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!