College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 16 - Electric Potential, Energy, and Capacitance - Learning Path Questions and Exercises - Multiple Choice Questions - Page 590: 21


(b) decrease it

Work Step by Step

Capacitance(in air) $C=\frac{\varepsilon_{0}A}{d}$ From the above expression, we may say that the capacitance is directly proportional to the area and is inversely proportional to the distance between the plates. Therefore, if the area is reduced, the capacitance also gets reduced. In order to keep the capacitance constant, we need to increase it and this is possible if we decrease the distance between the plates.
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