A Van de Graaff generator has a spherical dome of radius 20 cm.Operating in dry air,where "atmospheric breakdown" is at Emax = 3.0 x 106 N/C,what is the maximum charge that can be held on the dome? (ke = 8.99 x 109 N*m2/C2)
A) 2.7 x 10-5 C
B) 1.3 x 10-5 C
C) 2.6 x 10-6 C
D) 1.2 x 10-6 C
Correct Answer:
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