A sphere with radius 2.0 mm carries a 
Charge.What is the potential difference, 
Between point B,which is 
From the center of the sphere,and point A,which is 
From the center of the sphere? (k = 1/4πε0 = 9.0 × 109 N ∙ m2/C2)
A) 1,500 V
B) -1,500 V
C) 170 V
D) -0.63 V
Correct Answer:
Verified
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