A rod of length 10 cm made up of conduct...

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:

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