18th Edition

ISBN: 9781938168161

Author: OpenStax

Publisher: OpenStax

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Textbook Question

Chapter 10, Problem 24P

A person with body resistance between his hands of 10.0 k Ω accidentally grasps the terminals of a20.0-kV power supply. (Do NOT do this!) (a) Draw a circuit diagram to represent the situation, (b) If the internal resistance of the power supply is 2000 Ω , what is thecurrent through his body? (c) What is the power dissipated in his body? (d) If the power supply is to be made safe by increasing its internal resistance, what should the internal resistance be for the maximum current in this situation to be 1.00 mA or less? (e) Will this modification compromise the effectiveness of the power supply for driving low- resistance devices? Explain your reasoning.

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Chapter 10, Problem 23P

Chapter 10, Problem 25P

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University Physics Volume 2

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