A person who is gloveless and barefoot stands on a grounded platform while holdi

Question

A person who is gloveless and barefoot stands on a grounded platform while holding onto a grounded metal railing with one hand, and grabs a bare, hot wire with an operating voltage V that is powering a load with resistance  R=1000  . Various parts of his body has the following resistance: Skin resistance for each limb Rskin=2700,Rarm=300,Rtorso=30,Rleg=300.  

Part A - What current runs through his torso upon touching the hot wire?

Part B - What is the power dissipated across the torso?

  Itorso=V/3630   Itorso=V/3330   Itorso=V/3530   Itorso=V/4030   Itorso=V/1080   Itorso=V/1000   Itorso=V/801   Itorso=V/3780   Itorso=V/28

Explanation / Answer

total resistance = 1000+2700+300+30=4037

I (torso) = V/4037

p = VI = V2 / 4037

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