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Problem 69 Easy Difficulty

Construct Your Own Problem
Consider a heart defibrillator similar to that discussed in Example 19.11. Construct a problem in which you examine the charge stored in the capacitor of a defibrillator as a function of stored energy. Among the things to be considered are the applied voltage and whether it should vary with energy to be delivered, the range of energies involved, and the capacitance of the defibrillator. You may also wish to consider the much smaller energy needed for defibrillation during open-heart surgery as a variation on this problem.

Answer

4.00$\mu \mathrm{F}$

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Physics 102 Electricity and Magnetism

College Physics for AP® Courses

Chapter 19

Electric Potential and Electric Field

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Video Transcript

in the given problem, there is Ah, hug de defibrillator. Uh, the first part of the problem, the world didja plight to the capacitor off this heart. Different beer three Later. Yes. We have to find the voltage applied and the capacitance off this capacitor. Is it 100 my growth parrot. And is it is stores and energy or for the jewels. And you have to find a potential. So the formula used for the energy maybe, Huh? CV swear. Using rich the expression for potential we square will become toe you by sea. Or finally we can Se Ri is equal to the square root off twice off energy divided by capacitance so terrified for the values it becomes wise off 40 and divided by eight into tended bar minus six. Well, you produce and it'll probably seven bowl or I can see. And if the problem three into group, then more so when I can't let it the answer, they come up. Toby Peak will do. I mean, 0.16 in 10 days to the power three fold. This is the answer for the first part. No potential given to this capacity now in the second part, we have to find the amount off store charge. And that is simply given by the product off the passages in the prevention he was going to see in two weeks. And C is it 100 micro, Farid, or get 100 into tended bar minus six. You may 3.16 into tended bar three board. So this will become Kula men. We can't let it. The charge will come out to be when the 5.3 into 10 dish the power three in den dish. The barber, uh, minus three Gulen. Oh, I can see it. 25.3 1,000,000 colon. This is the answer for the second part of the problem and

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Irina Lyublinskaya, Gregg Wolfe, Douglas Ingram , Liza Pujji

College Physics for AP® Courses

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Top Physics 102 Electricity and Magnetism Educators
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Lectures

Video Thumbnail

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The electric force is a physical force exerted by electrically charged parti…

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