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Essay / Research Paper Abstract
This 5 page paper begins with an explanation of different terms associated with electricity. The writer discusses whether it is current or voltage or both that cause injury and death. A case of murder by electricity is used to demonstrate how electricity can kill. The essay also discusses the injuries and deaths that can be caused by lightning. Bibliography lists 4 sources.
Page Count:
5 pages (~225 words per page)
File: MM12_PGelcdth.rtf
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Unformatted sample text from the term paper:
current "flows in a constant direction" (Daley, Mallat and McCadams, 2007). Batteries offer a direct and constant flow until the battery begins to weaken. The other is alternating current (AC),
which means "the electrical flow that regularly reverses its direction. Each forward-backward motion interval is called a cycle" (Daley, Mallat and McCadams, 2007). The more dangerous is AC, which causes
a multitude of injuries while DC typically only affects one part of the body, like a severe muscle contraction (Daley, Mallat and McCadams, 2007). The term current "signifies the
quantity of electricity flowing through a wire. It is measured in units called Amperes" (Aggrawal, 1993). Thus, the more amperes (or Amps as we usually refer to them) there are,
the stronger the current. Because one ampere is actually a large amount of current, scientists typically speak in terms of miliamperes, thus, 1 Ampere is equal to 1,000 milliamperes (Aggrawal,
1993). The average human is capable of tolerating "a current of up to 30mA applied to the hand" (Aggrawal, 1993). It still results in a painful muscle contraction but it
can be tolerated without dying or passing out (Aggrawal, 1993). People will typically lose consciousness when that number climbs to 40mA and death is rather certain at 80mA (Aggrawal, 1993).
Prior to death, the heart will begin racing wildly and it loses its rhythm at 50mA (Aggrawal, 1993). What causes the electrical current to flow is the volt, described as
"a unit of electromotive force or pressure" (Daley, Mallat and McCadams, 2007). The usual voltage in the U.S. is 120 volts, which refers to the number of volts "present between
the hot wire and the ground wire" (Daley, Mallat and McCadams, 2007). The authors state: "Most electrical shocks come from constant voltage sources" (Daley, Mallat and McCadams, 2007). The important
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