PhysicsHardHigh School (11–12)Electricity & Magnetism › Electromagnetic InductionElectricity & Magnetism › Magnetic Effects of CurrentBoard ExamAPA-LevelIB
Created by StemPy LabCoil A is wound of copper wire. Coil B has the same size and the same number of turns, but it is wound of a wire of much higher resistance. The same magnet is pushed into each at the same speed. Compare what happens.
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← A circular coil of 30 turns and radius 3.1 cm lies at right angles to a field that grows steadily at 0.52 T each second. The coil is closed and has a resistance of 4.6 Ω. What is the induced current?A rectangular coil of 65 turns measures 7.0 cm by 5.5 cm. It starts with its normal along a uniform field of 0.42 T, and it is turned so that its normal is at 90° to the field in 0.095 s. What is the average emf? →
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