I have added what I thin k is correct answer. However I am uncertin if my logic stands the light of day as it were. Please help.A person touches a bare electrical wire at 500V whilst repairing a power supply. A current of 15mA flows through his body. a)What is the resistance of his body to the electrical flow? Answer:- R V/I500/15 x 10-3 3.3 x104 Ωb)What will be the effect on the person?
If the current flows through his chest it could kill him.
The standard formula is E I * R which can be rewitten as R E / I Here, E is 500 and I is 15 ma or 0.015 amps So, R 500 / 0.015 or R 33333 and 1/3 Ω 15 ma is probably not enough to kill you unless it causes you to have a heart attack.
No, the resistance is 500/15mA 33 kΩ. Your number 3.3x104 434 Ω is incorrect b) he will feel a shock and possibly die.
