(a) defibrillator sends a 6 A current through the chest of a patient by applying a 11000 V potential as in the figure. What is the resistance of the path (through the wire and the body)? -aira R= (b) The defibrillator paddles make contact with the patient through a conducting gel that greatly reduces the path resistance. To understand the importance of using the gel, discuss the difficulties that would ensue if a larger voltage were used to produce the same current through the patient, but with the path having perhaps 50 times the resistance by finding the ratio, P no-gel P gel e- ΚΩ (Hint: The current must be about the same, so a higher voltage would imply greater power. Use this equation for power: P = PR.) What difficulties arise when no gel is used? a. The voltage is too high for the human body even when the current is the same. b. There is a risk of skin burns because of the high power deposited.
(a) defibrillator sends a 6 A current through the chest of a patient by applying a 11000 V potential as in the figure. What is the resistance of the path (through the wire and the body)? -aira R= (b) The defibrillator paddles make contact with the patient through a conducting gel that greatly reduces the path resistance. To understand the importance of using the gel, discuss the difficulties that would ensue if a larger voltage were used to produce the same current through the patient, but with the path having perhaps 50 times the resistance by finding the ratio, P no-gel P gel e- ΚΩ (Hint: The current must be about the same, so a higher voltage would imply greater power. Use this equation for power: P = PR.) What difficulties arise when no gel is used? a. The voltage is too high for the human body even when the current is the same. b. There is a risk of skin burns because of the high power deposited.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter29: Dc Generators
Section: Chapter Questions
Problem 1PA: You are working as an electrician in a large steel manufacturing plant, and you are in the process...
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Transcribed Image Text:(a)
defibrillator sends a 6 A current through the chest of a patient by applying a 11000 V potential
as in the figure. What is the resistance of the path (through the wire and the body)?
-aira
R=
(b) The defibrillator paddles make contact with the patient through a conducting gel that greatly
reduces the path resistance. To understand the importance of using the gel, discuss the difficulties
that would ensue if a larger voltage were used to produce the same current through the patient, but
with the path having perhaps 50 times the resistance by finding the ratio,
P
no-gel
P
gel
e-
ΚΩ
(Hint: The current must be about the same, so a higher voltage would imply greater power. Use this
equation for power: P = PR.)
What difficulties arise when no gel is used?
a. The voltage is too high for the human body even when the current is the same.
b. There is a risk of skin burns because of the high power deposited.
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