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A Van De Graaff Generator Has a Spherical Dome of Radius

Question 42

Multiple Choice

A Van de Graaff generator has a spherical dome of radius 50.0 cm.Operating in dry air,where "atmospheric breakdown" is at Emax = 3.0 × 106 N/C,what is the maximum charge that can be held on the dome? (ke = 8.99 × 109 N⋅m2/C2) ​


A) 1.7E-4 C
B) 8.3E-5 C.
C) 4.2E-6 C
D) 8.3E-5 C
E) ​1.7E-6 C

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