There is a uniform magnetic field `B` normal to the `xy` plane. A conductor `ABC` has length `AB=l_(1)`, parallel to the `x` axis, and lengthh `BC=l_(2)` parallel to the `y`-axis. `ABC` moved in the `xy` plane with velocity `v_(x)hati+v_(y)hatj`. The potential difference between `A` and `C` is proportional to
A. `v_(x)l_(1)+v_(y)l_(2)`
B. `v_(x)l_(2)+v_(y)l_(1)`
C. `v_(x)l_(2)-v_(y)l_(1)`
D. `v_(x)l_(1)-v_(y)l_(2)`