Integrated ConceptsA short circuit to the grounded metal case of an appliance occurs as shown in Figure 23.60. The person touching the case is wet and only has a 3.00 kΩresistance to earth/ground.What is the voltage on the case if 5.00 mA flows through the person? Vcase = ?св3 k25 mAI = ?R = 0.20 NFigure 23.60 A person can be shocked even when the caseof an appliance is grounded. The large short circuit currentproduces a voltage on the case of the appliance, since theresistance of the earth/ground wire is not zero.

The current in the circuit will be, I=VR

Vcase = ? св 3 k2 5 mA I = ? R = 0.20 N Figure 23.60 A person can be shocked even when the case of an appliance is grounded. The large short circuit current produces a voltage on the case of the appliance, since the resistance of the earth/ground wire is not zero.

Vcase = ? св 3 k2 5 mA I = ? R = 0.20 N Figure 23.60 A person can be shocked even when the case of an appliance is grounded. The large short circuit current produces a voltage on the case of the appliance, since the resistance of the earth/ground wire is not zero.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 62PQ

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Question

Integrated Concepts
A short circuit to the grounded metal case of an appliance occurs as shown in Figure 23.60. The person touching the case is wet and only has a 3.00 kΩ
resistance to earth/ground.

What is the voltage on the case if 5.00 mA flows through the person?

Vcase = ?
св
3 k2
5 mA
I = ?
R = 0.20 N
Figure 23.60 A person can be shocked even when the case
of an appliance is grounded. The large short circuit current
produces a voltage on the case of the appliance, since the
resistance of the earth/ground wire is not zero.

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