The figure shows a square loop wire with sides of length `l=2cm` . A magnetic

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The figure shows a square loop wire with sides of length `l=2cm` . A magnetic field position points into the page and its magnitude is given by `B=4t^(2)yT,t` is in second and `y` is in metre. Determine the emf induced around the square at `t=2.5sec` .
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