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Please explain step by step with unit and equation. Thank you 1. An inductor L = 25 mH has a current that depends on I

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Please explain step by step with unit and equation. Thank you

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1. An inductor L = 25 mH has a current that depends on I (A) time according to the graph at right. What is the induced 8 EMF of the inductor at t = 2 s? 6 4 N 0 1 2 3 4 5 t (s )2. The shaded region in the diagram at right contains a uniform 2 mT magnetic field pointing down. Outside of the shaded region, the magnetic field is zero. The dashed B square loop shown in the diagram has a side length of 5 cm, and it is half in and half out of the shaded region. What is the current enclosed by this square loop?3. A long, hollow, cylindrical pipe carries a uniform current density X J = 200 mA/cm into the page. The pipe has an inner radius a = X X 4 cm and an outer radius b = 6 cm. What is the magnitude of the a magnetic field a distance r = 5 cm from the center of the pipe? X X b X X X'4. A square loop with side length L = 2 m sits in the x- y plane with its lower-left corner at the origin as shown in the diagram. A magnetic field pointing out of the page depends on x and t according to I? = thzlE, where B = 5 m-sZ' What is the magnitude and direction of the induced EMF in the loop at t = 3 S

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