____8. If the South pole of the bar magnet is introduced into a coil at end A, which of the following statements coreectly depicts the phenomenon taking place?The end A of the coil behaves like a north pole.The end A of the coil behaves like a south pole.The end A of the coil acquires positive potential.The end A of the coil acquires a negative potential____16. Power companies supply ac, not dc, because:dc is more dangerousit is easier to transmit acthere are not enough batteriesthere is no longer a need for dc____12. When an LC circuit oscillates at its natural resonant frequency, it can reserve electrical energy. Its capacitor: stores energy in the electric fieldstores energy in the magnetic fieldreleases energy in the electric fieldreleases energy in the magnetic field____9. Transformer core are laminated in order toReduce copper lossReduce hysteresis lossMinimize eddy current lossReduce eddy current and hysteresis loss

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Answered: _8. If the South pole of the bar magnet…

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter20: Induced Voltages And Inductance

Section: Chapter Questions

Problem 57AP: An 820-turn wire coil of resistance 24.0 is placed on lop of a 12 500-turn, 7.00-cm-long solenoid,...

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____8. If the South pole of the bar magnet is introduced into a coil at end A, which of the following statements coreectly depicts the phenomenon taking place?

The end A of the coil behaves like a north pole.
The end A of the coil behaves like a south pole.
The end A of the coil acquires positive potential.
The end A of the coil acquires a negative potential

____16. Power companies supply ac, not dc, because:

dc is more dangerous
it is easier to transmit ac
there are not enough batteries
there is no longer a need for dc

____12. When an LC circuit oscillates at its natural resonant frequency, it can reserve electrical energy. Its capacitor:

stores energy in the electric field
stores energy in the magnetic field
releases energy in the electric field
releases energy in the magnetic field

____9. Transformer core are laminated in order to

Reduce copper loss
Reduce hysteresis loss
Minimize eddy current loss
Reduce eddy current and hysteresis loss

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