1. Interchange the battery and gaivanometer and observe the effect. Explain your prediction and explain/justify your observation. 2. Obtain the resistance of an unknown resistor with the Wheatstone bridge and an Ohmmeter, which of these measurements is likely to be most accurate? Why? 3. If the voltmeter-ammeter method of determining resistance always has error due to current flowing through the meter or internal resistance in the meter, why is the Wheatstone bridge method better-it has a meter, too? 4. Name two advantages of a Wheatstone bridge over an ordinary ohmmeter. 5. What current should be flowing through the Galvanometer when the bridge is balanced?

1. Interchange the battery and gaivanometer and observe the effect. Explain your prediction and explain/justify your observation. 2. Obtain the resistance of an unknown resistor with the Wheatstone bridge and an Ohmmeter, which of these measurements is likely to be most accurate? Why? 3. If the voltmeter-ammeter method of determining resistance always has error due to current flowing through the meter or internal resistance in the meter, why is the Wheatstone bridge method better-it has a meter, too? 4. Name two advantages of a Wheatstone bridge over an ordinary ohmmeter. 5. What current should be flowing through the Galvanometer when the bridge is balanced?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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