4. You align a coil so that its magnetic field is opposite the direction of the Earth's magnetic field. The net magnetic field at the center of the coil is B = 2r Bearth You measure the magnetic field as a function of current I and make a plot of magnetic field (vertical axis) versus current (horizontal axis). The other quantities, N, Ho,r and Bearth are constants. а. What does the slope of the graph correspond to? Nµo Νμο -Bearth • I Ho • Bearth • B 2r 2r Hint: compare the equation above to the straight-line equation, y = mx + b. Ask yourself what the y variable is in the graph and what the x variable is in the graph. What corresponds to the slope? b. What does the intercept of the graph correspond to? Νμο Νμο • -Bearth • I Ho • Bearth - • B 2r 2r

4. You align a coil so that its magnetic field is opposite the direction of the Earth's magnetic field. The net magnetic field at the center of the coil is B = 2r Bearth You measure the magnetic field as a function of current I and make a plot of magnetic field (vertical axis) versus current (horizontal axis). The other quantities, N, Ho,r and Bearth are constants. а. What does the slope of the graph correspond to? Nµo Νμο -Bearth • I Ho • Bearth • B 2r 2r Hint: compare the equation above to the straight-line equation, y = mx + b. Ask yourself what the y variable is in the graph and what the x variable is in the graph. What corresponds to the slope? b. What does the intercept of the graph correspond to? Νμο Νμο • -Bearth • I Ho • Bearth - • B 2r 2r

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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