Electrostatics Question 818
Question: In a Van de Graff generator, a spherical metal shell is to be electrode. The dielectric strength of the gas surrounding the electrode is The minimum radius of the spherical shell required is
Options:
A) 1m
B) 2m
C) 1.5m
D) 3m
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Here,
dielectric strength
Maximum electric field, E = 10% of dielectric strength
As