31. Alternating Current

Resistors in AC Circuits

Alternating Current | Pure Resistor in AC circuit

College Physics Lectures, Resistors in AC Circuits

Pure resistor in electrical AC Circuits

Resistors in AC Circuits (Power)

In a kitchen in the United States, you turn on a toaster, a microwave, and a coffee machine at the same time. All are wired in parallel and are connected to a 20 A circuit breaker. If the toaster uses <math display=“inline”><mrow><mrow><mn>800</mn><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">W</mi></mrow></mrow></math> and the coffee machine uses <math display=“inline”><mrow><mrow><mn>600</mn><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">W</mi></mrow><mo>,</mo></mrow></math> what is the maximum power the microwave could use without tripping the circuit breaker?

The voltage across a resistor is found to be given by v R&nbsp;(t) = (10 V) cos[(120 s−1)t]:&nbsp;a) At what frequency does the AC course operate?&nbsp;b) If the resistance is 12 Ω, what is the maximum current in this circuit?&nbsp;c) What is the RMS voltage of the AC source?

Resistors in Parallel in an AC Circuit

Anderson Video - Reactance Example

Anderson Video - Ohm's Law for AC Circuits

25 - AC circuits - Resistor

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