30-04-2024
Engineering

Answered

A. During a weather storm, an atmospheric discharge hits a lightning pole that is
grounded through a hemisphere. The maximum value of the lightning current
through the rod is 20 kA. The soil of the area is moist. A man is playing golf
50 m away from the center of the hemisphere. At the moment of the lightning
strike, the distance between his two feet is 0.4 m. Compute the current through
the person's body assuming that his resistance is 1500 W.
Repeat the previous problem and assume that the person is 5 m away from
the center of the hemisphere. What is the effect of the proximity of the man to
the grounding hemisphere

Answer :

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