Multiple Choice
A charge of +3.0 μC is distributed uniformly along the circumference of a circle with a radius of 20 cm. How much external energy is required to bring a charge of 25μC from infinity to the center of the circle?
A) 5.4 J
B) 3.4 J
C) 4.3 J
D) 2.7 J
E) 6.8 J
Correct Answer:
Verified
Correct Answer:
Verified
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