PHI =BA=\frac{B}{2}\frac{X}{\sqrt{2}}\frac{x}{\sqrt{2}}\] \[\varepsilon =\frac{d\phi }{DT}=\frac{2x}{4}\frac{dx}{dt}B=\frac{x}{2}BV\] \[\varepsilon =\frac{d\phi }{dt}=\frac{2x}{4}\frac{dx}{dt}B=\frac{x}{2}B\frac{d(2y)}{dt}\] \[i=\frac{xBv}{2\lambda (x+\sqrt{2}x)}=\frac{Bv}{\lambda (1+\sqrt{2})}\]