A conducting sphere of radius 20 cm is charged so that the electric field reaches 3.0 × 105 V/m at its surface. What is the potential at the surface of the sphere?
A) 3.0 × 104 V
B) 1.5 × 104 V
C) 4.5 × 104 V
D) 6.0 × 104 V
E) 2.7 × 105 V
Correct Answer:
Verified
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