One major reason why electrical appliances in homes are normally earthed is that the-----------
A
person touching the appliance is safe from electric shock
B
appliances are maintained at a higher p.d. than the earth
C
appliances are maintained at a lower p.d. than the earth
D
appliances are maintained at the same p.d. with that of the earth
Verified Correct Answer: A.
Physical Principles & Numerical Solution
Earthing of an electrical appliance meant the outer metallic case of appliance is connected with earth, wire which is welded to the end of a copper rod and it is burned in the ground. It save the appliance during short-circuiting by passing Excessive current to earth.
Source: WAEC / JAMB / NECO Classroom Archive (Record #63352)