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5 Cards in this Set
- Front
- Back
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What attribute of electricity is responsible for a body's reaction to electric shock.
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Current
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What factors determine the severity of the effect electric shock has on your body?
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1) Amount of current flow
2) Path the current takes 3) Amount of body resistance 4) Length of time the current flows |
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What are the 2 most dangerous paths current can take through your body?
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1) hand to hand
2) from left hand to either foot (most dangerous) |
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What value is commonly used to represent resistance between major extremities of an average human body?
i.e. hand-hand hand-foot |
1500 ohms
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What is the human reaction (at 60Hz) for 1.1mA, 10mA, 16mA, 18mA and 65 mA?
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1.1mA- Perception-A slight tingling sensation
10mA- Cant let go-Arm and hand muscles close involuntarily (120 lbs person) 16mA- Can't let go (175 lbs) 18mA- Can't breathe- Paralasys of chest muscles 65mA- Heart Fibrillation- Rapid irregular contractions of heart muscles- could be fatal. |