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