Youre developing a switch for high-voltage power lines. The smallest part in your design is a 5.0-cm-diameter

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You’re developing a switch for high-voltage power lines. The smallest part in your design is a 5.0-cm-diameter metal sphere. What do you specify for the maximum potential on your switch if the electric field at the sphere’s surface isn’t to exceed the 3-MV/m breakdown field of air?

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Related Book For  answer-question

Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

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