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4. Use Lenz's law to determine whether the induced current in the resistor R is from A to B or from B to A in the 4 configurations in Fig. 3. You should label the direction of B., the sign of ACD / At, the direction of Band the direction of I. in the coil and R for each of the 4 cases. A A R R R R B B B B IN N S IN (1) (2) (3) (4) S S IN S Figure 3 Four configurations