For the wire arrangement in Fig 4. a =12.0 cm , b=16.0 cm, d=4 cm and c=20 cm. The currents in the long straight wires are: I1 =5f + 10.0t and I2 =100e-0.05t, where I is in amperes and t is in seconds. (a) Find the emf in the square loops at t= 3.00 s. (b) What is the direction of the induced current in the loop? Fig.4 d a 3
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