A straight wire with a resistance of \(\rho\) per unit length is bent to form an angle \(2\alpha\). A rod of the same wire material perpendicular to the angle bisector of the angle \(2\alpha\) forms a closed triangular loop. The loop is placed in a uniform magnetic field of induction \(B\) and is moved with a constant velocity \(v\) as shown in the figure above.
The current induced in the loop is ?
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