CHAPTER 16: ELECTROSTATICS (16/8/16)

Page 1

BOOK Language

Q.: What is meant by 'Static'?

Ans: Non-moving

Q.: What is an Ion?

Ans: An ion is a charged atom

Q.: Electric charge's S.I unit?

Ans: Columbus (C)

Page 2

Sir Salman class work

Conductors and Insulators:

Conductors

Conductors:

Conducts electricity

Conducts heat

Free electrons

Metals

Page 3

Insulators:

INSULATORS:

Does not conducts electricity

Does not conduct heat

Non-free electrons

Non-Metals

Page 4

Questions????

Q.1: Define Neutralization:

Neutralization is the process which discharges or neutralizes a charged body.

Q.2: Explain neutralization in the terms of

Heating

Humidity

Ans: 1. If a wooden sphere is heated ; The heat will excite the electrons of the wood and will be transferred to the atmosphere surrounding it.

2. If water droplets are dropped over a wooden box or sphere the friction b/w the water particles will produce heat energy thus exciting the electrons the will escape the surface neutralizing .