Induced Voltages and Inductance19720.61 (a) ()( )2av2-234025.0 mT2.0010 m0.157 mV4 50.010sBBdBAtttπε−−∆∆Φ===∆∆∆××As the inward directed flux through the loop decreases, the induced current goes clockwise around the loop in an attempt to create additional inward flux through the enclosed area. With positive charges accumulating at B, point is at a higher potential than (b) ( )2-2310025.0 mT2.005.89 mV44.00 10 sB−−×∆∆Φ==×avAs the inward directed flux through the enclosed area increases, the induced current goes counterclockwise around the loop in an attempt to create flux directed outward through the enclosed area. With positive charges now accumulating at A, point is at a higher potential than AB20.62The induced emf in the ring is ( )( )( )av02722121410T m A1000270 A s3.0010m4.8010V2solenoidsolenoid
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