A rod of length `10 cm` made up of conducting and non-conducting material (shaded part is non-conducting). The rod is rotated with constant angular velocity `10 rad//s` about point `O`, in constant magnetic field of `2 T` as shown in the figure. The induced `emf` between the point `A` and `B` of rod will be:
A. `0.029 v`
B. `0.1 v`
C. `0.051 v`
D. `0.064 v`