Question

a)List two safety precautions to be taken if a person is caught out side in the open during a lighting strike.
b)Define earthing.​

Answer 1

Hola

a) Get inside the nearest available hard-topped vehicle or building, keeping all windows shut, and stay there for at least 30 minutes after the storm passes before returning outside. Avoid picnic tents, pavilions or other open, outdoor structures. Get to low ground. Avoid hilltops and open areas.

b) Earthing or grounding is the process of transferring the immediate discharge of electricity directly to the earth plate, by means of low resistance electrical cables or wires.

Answer 2

Answer:

$\huge\colorbox{yellow}{Answer:-}$

(a) (i) Do crouch low to the ground with as little of your body touching the ground as possible if caught outside without shelter.

(ii) Do stay away from concrete floors or walls.

(b) An earthing system or grounding system connects specific parts of an electric power system with the ground, typically the Earth's conductive surface, for safety and functional purposes. The choice of earthing system can affect the safety and electromagnetic compatibility of the inst*allation.