Essential University Physics
4th Edition
ISBN: 9780134988566
Author: Wolfson, Richard
Publisher: Pearson Education,
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Textbook Question
Chapter 22, Problem 65P
The electric potential in a region is given by V = −V0(r/R), where V0 and R are constants and r is the radial distance from the origin. Find expressions for the magnitude and direction of the electric field in this region.
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The electric field along the y-axis is given by
È= ayî
where a = 27 N/m.C. Find the electric potential difference between y1=0.9m and y2=2.7m;
V(V2) – V(V1) = ?
Express your answer in units of Volts and use one decimal place.
Hint: de =îdx +ĵdy + kdz
(a) What is the magnitude of the electric field in a region where the potential is given by the expression V = ax2 + b where a = −600 V/m2 and b = 195 V? (Substitute numerical values, and express your answer in terms of x. Assume SI units, but do not include units in your answer.)
E = V/m2
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Ê = axî
where a = 5 N/m.C. Find the electric potential difference between x1=1.2m and x2=3.8m;
V(x2) – V(x1) = ?
Express your answer in units of Volts and use one decimal place.
Hint: de = îdx +ĵ dy + kdz
Chapter 22 Solutions
Essential University Physics
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Electric Fields: Crash Course Physics #26; Author: CrashCourse;https://www.youtube.com/watch?v=mdulzEfQXDE;License: Standard YouTube License, CC-BY