A somewhat simplified model of the body is sometimes used in estimating currents

Question

A somewhat simplified model of the body is sometimes used in estimating currents received by the body during electrical accidents. We'll be referring to the figure below in the following problem. Right Arm R1 600 ? Left Arm R2 600 ? Torso R3 140 ? Right Leg R4 600 ? Left Leg R5 600 ? A worker accidentally grabs a 60-Volt power line with both hands and stands in a puddle, effectively grounding both feet. What is the equivalent resistance of the body in this case? What is the total current passing through the torso? Assuming ground to be 0V, what is the voltage at the neck (the point where R1,R2 and R3 join)? The person manages to let go of the wire with the left hand. What happens to the following quantities? The current through the torso. Resistance of the left leg. The equivalent resistance used to calculate the total current. The Voltage at the hips (the point where R3, R4 and R5 join). <<<<(INCREASE, STAY THE SAME, DECREASE) http://dropcanvas.com/#p011379Y0fm52P

Explanation / Answer

(600*600/1200) + ( 140) +(600*600/1200) = 740 ohms total current = 60/740 = 0.081 amp

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