Question

1 (a) Electrostatics can be viewed either as beneficiary or destructive. Explain the latter and former with an application for each? [10]

Answer 1

Answer:

Electrostatics are beneficiary and destructive. Electrostatic is a force which attracts charged particles on the surface of a material when the surface of material is rubbed.

One of the use of electrostatic is that :

It is used to remove pollutants or dust particles. For this electrostatic precipitator is used. 99% of the dust particles or pollutants can be removed from the surface using this process.

One of the danger of electrostatic force is that:

Static electricity is formed between clouds. This can produce lightening effect between cloud and ground. Lightening can cause danger to living things and nature to an extent.

Explanation: