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Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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
Transcribed Image Text:A capacitor is a device that:
O A. Transforms electrical energy into heat energy
O B. Stores energy in a magnetic field
O C. None of the other choice are correct
O D. Resists the instantaneous change in the voltage; nothing to do with storing or using electrical energy
O E. Stores energy in an electrictromagnetic field
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- A flux of 0.0016 Wb flows in a silicon sheet steel coil/core. The arrangement appears as shown below with the following dimensions: Ac = 0.0025 m? Core/gap area: Flux path length: le = 0.350 m lg = 0.0015 m N = 500 Air gap length: Number of turns: %3D A. What is the current, I, through the winding? B. What is the energy stored in the inductance? C. Assume that the current is given by i =9.75 sin (3147) A. What is the RMS voltage that would appear across the winding? D. Assume that the gap is removed from the arrangement with the flux path remaining at 0.350 m. For a flux of 0.0016 Wb, what is the inductance of the arrangement? E. What is the energy stored in the inductance with the gap removed?arrow_forwardWhere is electrical energy stored in an inductor? O In the electric field surrounding its coils. O In the magnetic field surrounding its coils. O In both the electric and magnetic field surrounding its coils. O An inductor never stores electrical energy.arrow_forwardA and B are two coils close. A has 1200 turns, and B has 1000 turns. When a current of 0.8A flows in coil A, a flux of 100 µWb links with coil A, and 75% of this flux links coil B. Determine the self-inductance of coil A and the mutual inductance.arrow_forward
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