Why does one experience a strong shock when one accidentally touches a live wire of, say, 220 V ?

If the resistance of our body is so large ( ~~ 10 K Omega ) why does one experience a strong shock when one accidentaly touches the line wire, say 240 volt supply?

Why does one experiences fatal shock when one accidentally touches a live wire of 220 V supply?

What happens to our body if touch live wire of 240 V ?

Why does one prefer a black umbrella to a white one, even in summer ?

Why does the paper strip open up when touched with a charged rod?

Why does the paper strip open up when touched with a charged rod?

Which one of the following does not experience strong nuclear force?