Discuss the types of electric charges by rubbing appropriate non-conductors. Which scientists gave their names ?
Discuss the types of electric charges by rubbing appropriate non-conductors. Which scientists gave their names ?
Any matter is mainly made up of two particles : Electron and proton.
Charge on electron is considered as negative and charge on proton is considered as positive. Charge is scalar quantity.
When two non-conductors are rubbed, electrons are transferred from one body to another body due to its less mass. The body which gains the electrons becomes negatively charged and the body which donates the electrons becomes positively charged.
Positive and negative names of charges were given by American scientist Benjamin Franklin.
The body which has charge is called charged body and the body which has no charge is called neutral body.
When two bodies of opposite charges are brought in contact, both bodies become neutral.
Examples of what type of charge will object have by rubbing two non-conducting objects are given in pair in following table :
| NO | pair | $+$ charge object | $-$ charge object |
| $1$ | Glass rod and Silk cloth or Amber | Glass rod | Silk cloth or Amber |
| $2$ | Glass rod and Wool | Wool | Glass rod |
| $3$ | Wool and Polythene | Wool | Polythene |
| $4$ | Dry hair and Plastic comb | Dry hair | Plastic comb |
| $5$ | Flalin and Ebonite | Flalin | Ebonite |
| $6$ | Furr and Plastic rod | Furr | Plastic rod |
| $7$ | Abnoos rod and Cat leather | Cat leather | Abnoos rod |
| $8$ | Rubber and Nylon | Nylon | Rubber |
| $9$ | Wool and Amber | Wool | Amber |
| $10$ | Wool and Rubber | Wool | Rubber |
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