Electric Charges

1. Benjamin Franklin presented two sorts of charges in particular positive charge and negative charge in light of frictional power.

2. QUANTIFICATION OF CHARGE : Quantization of charge exists in discrete sum instead of constant worth and thus quantized scientifically ,charge on an article q=±ne, where ,n is a whole number and e is an electronic charge .

3. Preservation OF CHARGE : The aggregate charge a detached framework dependably stays consistent.

4. COULOMB'S LAW : It expresses that the electrostatic power of collaboration or aversion acting between to stationary point charges is given by -

F=(1/4πєo)×(q1q2/r2)

where,q1 q2 are the stationary point charges and r is the detachment between them in air or vacuum.

5. Electrostatic power (or coulombian strengths) are traditionalist powers .

6. ELECTRIC DIPOLE : Two point charges of same extent and inverse nature isolated by a little separation by and large structures an electric dipole.

7. Coulomb utilized a torsion parity to perform his analyses .comparative gadget was utilized by Cavendish years after the fact to concentrate on gravitational power .

8. Coulomb could demonstrate that the estimation of the example of r (in F=ke (q1q2/r2) was 2 inside an instability of a couple percent. present day tests have demonstrated that the example is 2 to an exactness of a couple part in 1016. test by William , Fallar and Hall in 1971 demonstrated that the example of r in coulomb law is (2+sigma) .

9. Extremity OF CHARGE : The property of which separates the two sort of charge is known as the extremity of the charge.

10. The plastic brush can be charge by running it through dry hair ,look over is a swap for glass bar and the hair for the skin.

11. Home purifiers utilize the electric power to lessen the dust , microbes and other particulate noticeable all around .The electric power expel electrons from the contaminations making them emphatically charge .These particles are pulled in are to adversely charge plate , where the stay until physically evacuate when working legitimately , these purifiers can diminish the particulate level by all the more then 99 percent.

12. Electric lines of power fanciful bends attracted electric field along which a unit positive test charge tends to move .The digression to a line of power anytime gives the course of electric field anytime.

13. QUARKS : Quarks are genuinely basic particles which convey charges that are divisions of electronic charge.

14. ELECTRIC FIELD INTENSITY : Electric field power at point encompassing the charge q is characterized as the power per unit positive charge in the field.

15. S.I. unit of charge is coulomb (C).