PhysicsEasyHigh School (11–12)Electricity & Magnetism › Electromagnetic InductionBoard ExamAPA-LevelIB
Created by StemPy LabA closed loop of wire has an emf induced in it. Which quantity decides how large this emf is?
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← Two smooth upright rails, 0.22 m apart, end in a capacitor of 3.0 F and have no resistor. A field of 0.55 T is at right angles to the plane of the rails. A bar of mass 30 g slides down across them, from rest. What is the acceleration of the bar? Take g = 9.8 m/s².Which law gives the direction of the current that is induced in a loop? →
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