31. Alternating Current

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a) ω = 0.029 s-1 b) θ = 132o c) -0.31A

a) ω = 0.029 s-1 b) θ = 132o c) 0.31A

a) ω = 18.3 s-1 b) θ = 42o c) 0.31A

a) ω = 18.3 s-1 b) θ = 42o c) 0.42A

A 12 Ω resistor is connected to an AC source. If the resistor’s voltage phasor is initially at 0° , and the figure below shows the phasor after 0.04 s, answer the following:&nbsp;a) What is the angular frequency of the source? Assume the phasor is on its first rotation.&nbsp;b) What does the current phasor diagram look like?&nbsp;c) What is the current in the circuit at this point (t = 0.04 ?)?<img src="https://static.studychannel-prd.pearsonprd.tech/courses/physics/thumbnails/images/9c1fc88b"alt=""/>

Phasor Relationship for Resistor

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