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bagirrra123 [75]
3 years ago
14

A defibrillator is used during a heart attack to restore the heart to its normal beating pattern. a defibrillator passes 17 a of

current through the torso of a person in 1.9 ms. (a) how much charge moves during this time? (b) how many electrons pass through the wires connected to the patient? (a) number units
Health
1 answer:
Gemiola [76]3 years ago
7 0
(a) To determine the charge in units of Coulomb, you multiply the current with the time since ampere is coulomb/sec.

17 C/s * (1.9 ms * 1s /1000 ms) = 0.0323 C

(b) To determine the number of electrons, we use the Faraday's law (96500 C per mole electron) and the Avogadro's number (1 mole = 6.022 x 10^23 electrons)

17 C/s * (1 s/ 1000 ms) * (1.9 ms) * (1 mol e/96500 C) * (6.022 x 10^23 e / mole e) = 2.016 x 10^17 electrons
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