Electrical appliances in homes are normally earthed so that
-
A.
a person touching the appliances is safe from electric shock -
B.
both the a.c. and d.c. sources can be used -
C.
the appliances are maintained at a higher pd than the earth -
D.
the appliances are maintained at a lower pd than the earth
Correct Answer: Option A
Explanation
There is an explanation video available below.