[单选题]
It takes 50 J of energy to move 10 C of chargi3evx3mgsp9 gd3e y472cj h:p e from point A t6gh-qe6tw) 5qj2n4pp bqdw f8o point B. What is the potential difference between points A an b8 -w24qpetw 5g6j d6)pqnfhqd B?
A. $500 \; V$
B. $50 \; V$
C. $5.0 \; V$
D. $0.50 \; V$