If the wire r experiences a net force towards wire p, then which of the following statements is definitely true about the current 'i' in wire q?
a. The current 'i' in wire q is definitely in the same direction as the current in wire r
b. The current 'i' in wire q is definitely in the opposite direction as the current in wire r
c. The current 'i' in wire q is definitely ero
d. The current 'i' in wire q can have any direction