A person with body resistance between his hands of 10.0 k Ω accidentally grasps the terminals of a 20.0-kV power supply. (Do NOT do this!) (a) Draw a circuit diagram to represent the situation.(b) If the internal resistance of the power supply is 2000 Ω , what is the current through his body? (c) What is the power dissipated in his body? (d) If the power supply is to be made safe by increasing its internalresistance, what should the internal resistance be for the maximum current in this situation to be 1.00 mA or less? (e) Will this modification compromise the effectiveness of thepower supply for driving low-resistance devices? Explain yourreasoning.
A person with body resistance between his hands of 10.0 k Ω accidentally grasps the terminals of a 20.0-kV power supply. (Do NOT do this!) (a) Draw a circuit diagram to represent the situation.
(b) If the internal resistance of the power supply is 2000 Ω , what is the current through his body?
(c) What is the power dissipated in his body? (d) If the power supply is to be made safe by increasing its internal
resistance, what should the internal resistance be for the maximum current in this situation to be 1.00 mA or less?
(e) Will this modification compromise the effectiveness of the
power supply for driving low-resistance devices? Explain your
reasoning.
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