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Figure (a) shows a wire that forms a rectangle (W = 20.0 cm, H = 27.0 cm) and has a resistance of 7.00 m2.



Figure (a) shows a wire that forms a rectangle (W = 20.0 cm, H = 27.0 cm) and has a resistance of 7.00 m2. Its interior is split into three equal areas, with magnetic fields B1, B2, and B3. The fields are uniform within each region and directly out of or into the page as indicated. Figure (b) gives the change in the z components B, of the three fields with time t; the vertical axis scale is set by Bg = 3.50 T and Bp = -2.50B5. What are the (a) the magnitude and (b) direction of the current induced in the wire? B. B, H B, -B, t (s) (a) (b) (a) Number |Units (b) (L) In the figure, a stiff wire bent into a semicircle of radius a = 5.5 cm is rotated at constant angular speed 76 rev/s in a uniform 20 mT magnetic field. What are the (a) frequency and (b) the amplitude of the emf induced in volts in the loop? X X (a) Number Units (b) Number Units Inductors in series. Two inductors L1 = 1.02 H and L2 = 2.11 H are connected in series and are separated by a large distance so that the magnetic field of one cannot affect the other. (a) Calculate the equivalent inductance. (Hint: Review the derivations for resistors in series and capacitors in series.Which is similar here?) (b) What is the generalization of (a) for N = 13 similar inductors L = 3.00 H in series? (a) Number Units (b) Number Units

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