Question

According to this, we should never get an electric shock because earthing is present in every electrical appliance....But even then we get shocks why...?
#Source NCERT.:--12​

Answer 1

We still get shocks sometimes because of given reasons:

*Short Circuiting

*Wearing off of the insulation of wires promoting contact

*Excessive local current flow due to increase in current at source

Answer 2

earthing must needed so that potential difference between two point create and the charge flow in our body called current

the purpose of earthing is to the movement of charge in our body salt is present anyhow if potential difference create in our body not only by earth may be any conducting material that why people injured