Since, loop is moving away from the wire, so the direction of current in the loop will be as shown in the figure. Net magnetic field on the loop due to wire B‌=‌
µ0i
2Ï€
(‌
1
x
−‌
1
l+x
) ‌=‌
µ0il
2Ï€x(l+x)
So, the magnitude of the emf in the loop e=vBb=‌