The insulation property of air breaks down when the electric field is 3 × 106 vm-1 The maximum charge that can be given to a sphere of diameter 5m is approximately
A. 2 × 10-2 C
B. 2 × 10-3 C
C. 2 × 10-4 C
D. 2 × 10-5 C
Answer:B
The insulation property of air breaks down when the electric field is 3 × 106 vm-1 The maximum charge that can be given to a sphere of diameter 5m is approximately
A. 2 × 10-2 C B. 2 × 10-3 C C. 2 × 10-4 C D. 2 × 10-5 C