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Question
a man in an insulated metallic cage does not receive a shock, even when the cage is connected to a high voltage source.why?
a man in an insulated metallic cage does not receive a shock, even when the cage is connected to a high voltage source.why?
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Solution
E=-dV/dr
Where E is the electric field and v is the potential and r is the distance.
Since inside a conductor the E field is zero.
=>0=-dV/dr
=>dV=0 i.e the change in potential inside the conductor is a constant.
Thus, there would be no shock as there would be zero potential difference.
E=-dV/dr
Where E is the electric field and v is the potential and r is the distance.
Since inside a conductor the E field is zero.
=>0=-dV/dr
=>dV=0 i.e the change in potential inside the conductor is a constant.
Thus, there would be no shock as there would be zero potential difference.
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