Principles of Physics: A Calculus-Based Text
5th Edition
ISBN: 9781133104261
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 20, Problem 67P
Lightning can be studied with a Van de Graaff generator, which consists of a spherical dome on which charge is continuously deposited by a moving belt. Charge can be added until the electric field at the surface of the dome becomes equal to the dielectric strength of air. Any more charge leaks off in sparks as shown in Figure P20.67. Assume the dome has a diameter of 30.0 cm and is surrounded by dry air with a “breakdown” electric field of 3.00 × 106 V/m. (a) What is the maximum potential of the dome? (b) What is the maximum charge on the dome?
Figure P20.67
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Chapter 20 Solutions
Principles of Physics: A Calculus-Based Text
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