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(Pay attention to units.) A closed circuit with a width of 20 cm and a length of 35 cm consists of 3 resistors connected in series. They have a resistance of 50, 100 and 250 ?. A magnetic field directed into the plane of the circuit changes from O T to 12 T in 3 sec. 1. Sketch the circuit and indicate the direction of the final magnetic field. What is the magnetic flux through the circuit when the magnetic field is O T? What is the flux when the field is 12 T? What is the direction of the current in the circuit as the magnetic field is changing? What is the emf and current in the circuit as the magnetic field is changing? What is the direction of the current after the magnetic field reaches 12 T? a. b. c. d. e.

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