Question

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 350 k?. mA Identify the likely effect. She will experience muscle contraction for the duration of the shock. She will feel nothing. (b) Find the current (in mA) if she is standing barefoot on wet grass and has a resistance of only 4100 ?. mA Identify the likely effect. She will experience muscle contraction for the duration of the shock. She will feel nothing.

          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 350 k?.
mA
Identify the likely effect.
She will experience muscle contraction for the duration of the shock.
She will feel nothing.
(b) Find the current (in mA) if she is standing barefoot on wet grass and has a resistance of only 4100 ?.
mA
Identify the likely effect.
She will experience muscle contraction for the duration of the shock.
She will feel nothing.

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 350 k?.
mA
Identify the likely effect.
She will experience muscle contraction for the duration of the shock.
She will feel nothing.
(b) Find the current (in mA) if she is standing barefoot on wet grass and has a resistance of only 4100 ?.
mA
Identify the likely effect.
She will experience muscle contraction for the duration of the shock.
She will feel nothing.

Added by Jason Y.

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