A conducting rod spans a gap of length L = 0.085 m and acts as the fourth side ofa rectangular conducting loop, as shown in the figure. A constant magnetic field B = 0.55 T pointinginto the paper is in the region. The rod is moving under an external force with an acceleration a =At?, where A = 4,5 m/s*. The resistance in the wvire is R = 145 Q.L = 0.085 mB = 0.55 TA = 4,5 m/sR= 145 NBXXRVXXExpress the magnitude of the magnetic flux going through the loop, , in terms of B, x and L.Express the speed of the rod, v, in terms of A and t. Assume v = 0 at t = 0.Express the position of the rod, x, in terms of 4 and t. Assume x = 0 at 1 = 0.Express the derivative of the magnetic flux, do/dt, in terms of B, 4, L and t.do/dt =Express the magnitude of the emf induced in the loop, ɛ, in terms of B, L, A and t.Express the current induced in the loop, I, in terms of ɛ and R.Calculate the numerical value of I at t = 2s in A.I(t=2s) =www

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