[单选题]
It takes 50 J of energqztp / b21;lh acq6l/gy to move 10 C of charge from poinvx*h99nizfe 9 z 8oxlrz,:ou:t A to point B. What is the potential difference between poin z,9vezh:ir:z*of9 u8lxn 9 oxts A and B?
A. $500 \; V$
B. $50 \; V$
C. $5.0 \; V$
D. $0.50 \; V$
