1
Q
What is alternating current?
A
One that changes direction with time.
2
Q
What do you use to describe an alternating current?
A
The root mean square voltage.
3
Q
What does the RMS have the same as?
A
The RMS has the same heating effect as a DC source of the same value.
A2 Physics
flashcards
Decks in class (25)
# Cards
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3.7.3.3 - Electric Potential11
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3.7.3.2 - Electric Field Strength13
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3.7.3.1 - Coulomb's Law5
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3.7.4.1 - Capacitance21
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3.6.1.2 - Simple Harmonic Motion8
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3.7.5.1 - Magnetic Flux Density12
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3.6.1.1 - Circular Motion18
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3.7.5.2 - Moving Charges in a Magnetic Field9
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3.6.1.3 - Simple Harmonic Systems11
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3.6.1.4 - Forces Vibrations And Resonance13
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3.7.5.3 - Magnetic Flux and Flux Linkage7
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3.7.5.4 - Electromagnetic Induction10
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3.7.5.5 - Alternating Currents3
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3.7.5.6 - The Operation Of A Transformer13
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3.7.1 - Fields5
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3.7.2 - Gravitational Fields29
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3.6.2 - Thermal Physics51
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3.8.1 - Radioactivity113
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Paper 1 Definitions56
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Paper 2 Definitions45
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3.9.2 - Classification of Stars73
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3.9.3 - Cosmology49
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3.9.1 - Telescopes44
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Equations Not on Data Sheet12
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Astro Definitions16
