During open-heart surgery, a defibrillator can be used to bring a patient out of cardiac arrest. The resistance of the path is 490 N and a 10.0-mA current is needed. What voltage should be applied?
During open-heart surgery, a defibrillator can be used to bring a patient out of cardiac arrest. The resistance of the path is 490 N and a 10.0-mA current is needed. What voltage should be applied?
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 67PQ
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Ohm's law
Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.
Path of Least Resistance
In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.
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![During open-heart surgery, a defibrillator can be used to bring a patient out of cardiac arrest. The resistance of the path
is 490 2 and a 10.0-mA current is needed. What voltage should be applied?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F02ec4b82-5ff0-4052-a25d-a8fd5708f2e2%2F7a48df91-5716-41f8-a92e-4aaf56d01cf4%2Fsdf5ao_processed.png&w=3840&q=75)
Transcribed Image Text:During open-heart surgery, a defibrillator can be used to bring a patient out of cardiac arrest. The resistance of the path
is 490 2 and a 10.0-mA current is needed. What voltage should be applied?
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Step 1
Write the expression for the Ohm’s law.
Here, I represents the current and R represents the resistance.
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