In case of a Van de Graaff generator, the breakdown field of air is
A. 2 × 108 V m–1
B. 3 × 106 V m–1
C. 2 × 108 V m–1
D. 3 × 104 V m–1
Answer:B
In case of a Van de Graaff generator, the breakdown field of air is
A. 2 × 108 V m–1 B. 3 × 106 V m–1 C. 2 × 108 V m–1 D. 3 × 104 V m–1