Electric charge, potential and current
Charge, conductors and Coulomb's law, electric fields and field lines, potential and capacitance, then current, resistance, Ohm's law and electric power.
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正面 AC current背面 current that fluctuates sinusoidally with time, expressed as I = I₀ sin 2πft, where I is the current at time t, I₀ is the peak current, and f is the frequency in hertz
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正面 AC voltage背面 voltage that fluctuates sinusoidally with time, expressed as V = V₀ sin 2πft, where V is the voltage at time t, V₀ is the peak voltage, and f is the frequency in hertz
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正面 alternating current背面 (AC) the flow of electric charge that periodically reverses direction
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正面 ampere背面 (amp) the SI unit for current; 1 A = 1 C/s
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正面 bioelectricity背面 electrical effects in and created by biological systems
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Creative Commons Attribution 4.0 International
CC-BY-4.0 - 署名
- Source : https://openstax.org/books/college-physics/pages/preface — Licence : Creative Commons Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/)
- 来源
- OpenStax — College Physics (first edition)
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- 科学
- 语言
- English
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- 3
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