Question

What is the principle of Van de graff generator ?

(Only principle)

No unnecessary answer please

Answer 1

PRINCIPLE: 

The Van de Graaff generator works on the following two principles. 

 

 

Discharging action of sharp points i.e., electric discharge takes place in air or gases readily at pointed conductors.

If the charged conductor is brought into internal contact with a hollow conductor , all of its charge transfers to the surface of the hollow conductor  no matter how high the potential of the latter may be.

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Answer 2

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Principle . It is based on the following two electrostatic phenomena.

1). The electric discharge takes place in air or gases readily at pointed conductors.

2). If a hollow conductor is in contact with another conductor, then as charge is supplied to the conductor, the hollow conductor continues accepting the charge irrespective of the fact, howsoever its large potential may grow, the charge immediately shifts to the outer surface of the hollow conductor.