Chapter 21. Voltage of an ac source (21-1)

Question

K1N2KpjkCUDpmdF39PO10H5jWxReC1271D7sL01aeFJNgk+nBAivwd0dScIxl4yIynZHkQ==

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Question

n82EmPzWU79z8eUB8TQBq6h3rIdzplW9q0F4P9YHnyo2NbUs

{"title":"Time-varying voltage provided by an ac source","description":"Wrong","type":"incorrect","color":"#99CCFF","code":"[{\"shape\":\"poly\",\"coords\":\"82,133\"},{\"shape\":\"rect\",\"coords\":\"10,16,12,16\"},{\"shape\":\"poly\",\"coords\":\"144,22\"},{\"shape\":\"rect\",\"coords\":\"4,1,35,45\"}]"} {"title":"Angular frequency of the voltage","description":"Correct!","type":"correct","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"254,17,284,41\"}]"} {"title":"Time","description":"Incorrect","type":"incorrect","color":"#333300","code":"[{\"shape\":\"rect\",\"coords\":\"286,13,301,41\"}]"} {"title":"Voltage amplitude = maximum positive value of V sub (t)","description":"Incorrect","type":"incorrect","color":"#000080","code":"[{\"shape\":\"rect\",\"coords\":\"128,4,163,41\"}]"}

Question

Rhin7ZJP9kY=

{"title":"Time-varying voltage provided by an ac source","description":"Wrong","type":"incorrect","color":"#99CCFF","code":"[{\"shape\":\"poly\",\"coords\":\"82,133\"},{\"shape\":\"rect\",\"coords\":\"10,16,12,16\"},{\"shape\":\"poly\",\"coords\":\"144,22\"},{\"shape\":\"rect\",\"coords\":\"4,1,35,45\"}]"} {"title":"Angular frequency of the voltage","description":"Incorrect","type":"incorrect","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"254,17,284,41\"}]"} {"title":"Time","description":"Correct!","type":"correct","color":"#333300","code":"[{\"shape\":\"rect\",\"coords\":\"286,13,301,41\"}]"} {"title":"Voltage amplitude = maximum positive value of V sub (t)","description":"Incorrect","type":"incorrect","color":"#000080","code":"[{\"shape\":\"rect\",\"coords\":\"128,4,163,41\"}]"}

Question

aS1vhf5DXGOirfWoonfeVAi0jPcUL3BcqfBQkkKRMSsuClXSIGWK6efP+dqEjKsGzSiFeQZWy+L00PYA

{"title":"Time-varying voltage provided by an ac source","description":"Wrong","type":"incorrect","color":"#99CCFF","code":"[{\"shape\":\"poly\",\"coords\":\"82,133\"},{\"shape\":\"rect\",\"coords\":\"10,16,12,16\"},{\"shape\":\"poly\",\"coords\":\"144,22\"},{\"shape\":\"rect\",\"coords\":\"4,1,35,45\"}]"} {"title":"Angular frequency of the voltage","description":"Incorrect","type":"incorrect","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"254,17,284,41\"}]"} {"title":"Time","description":"Wrong","type":"incorrect","color":"#333300","code":"[{\"shape\":\"rect\",\"coords\":\"286,13,301,41\"}]"} {"title":"Voltage amplitude = maximum positive value of V sub (t)","description":"Correct!","type":"correct","color":"#000080","code":"[{\"shape\":\"rect\",\"coords\":\"128,4,163,41\"}]"}

Review

Figure 21-2 graphs the voltage \(V(t)\) a function of time. The angular frequency \(\omega\) of the voltage (in rad/s) is related to the frequency \(f\) of the voltage (in Hz) by the same relationship we used in Section 12-3 for simple harmonic motion.