I made a simple bulb-battery circuit and then I cut one of the wires and attached both ends to cemented floor, the bulb didn't glow, this means cemented floor is a poor conductor of electricity. Then how does earthing work ? This idea of activity came from when I got a shock being barefoot but got no shock from same source with slippers on.
So,
How can electrons pass through insulator like cemented floor during earthing ?
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