Find the current through a person and identify the likely effect on her if she touches a 120 V AC source in the following circumstances. (Note that currents above 10 mA lead to involuntarily muscle contraction.) a) Find the current (in mA) if she is standing on a rubber mat and offers a total resistance of 305 kΩ. b) Find the current (in mA) if she is standing barefoot on wet grass and has a resistance of only 3500 Ω

College Physics
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Author:Paul Peter Urone, Roger Hinrichs
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Chapter20: Electric Current, Resistance, And Ohm's Law
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Find the current through a person and identify the likely effect on her if she touches a 120 V AC source in the following circumstances. (Note that currents above 10 mA lead to involuntarily muscle contraction.) a) Find the current (in mA) if she is standing on a rubber mat and offers a total resistance of 305 kΩ. b) Find the current (in mA) if she is standing barefoot on wet grass and has a resistance of only 3500 Ω.
 
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