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Physics / Sears and Zemansky's University Physics with Modern Physics 13 / Chapter 25 / Problem 70P

Sears and Zemansky's University Physics with Modern Physics | 13th Edition | ISBN: 9780321696861 | Authors: Hugh D. Young; Roger A. Freedman; A. Lewis Ford

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Chapter 25, Problem 70P

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QUESTION:

Problem 70P

BIO A person with body resistance between his hands of 10 kΩ accidentally grasps the terminals of a 14-kV power sup-ply. (a) If the internal resistance of the power supply is 2000 Ω, what is the current through the person’s body? (b) What is the power dissipated in his body? (c) 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 the above situation to be 1.00 mA or less?

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QUESTION:

Problem 70P

BIO A person with body resistance between his hands of 10 kΩ accidentally grasps the terminals of a 14-kV power sup-ply. (a) If the internal resistance of the power supply is 2000 Ω, what is the current through the person’s body? (b) What is the power dissipated in his body? (c) 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 the above situation to be 1.00 mA or less?

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Solution 70P

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