An AC voltage source and a resistor are connected in series to make up a simple AC circuit. If the source voltage is given by V = Vo sin(2nft) , find the first time after t = 0 when the instantaneous voltage of 50 Hz AC first reaches the following values. V = Vo/2 (a) 1.6 Note that the voltage in this AC circuit is a sine function. What units should you use for the argument of the sine function? ms (b) V = Vo ms (c) V = 0 ms

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Chapter15: Alternating-current Circuits
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Problem 62CP: A 1.5k resistor and 30-mH inductor are connected in series, as below, across a120-V(rms)ac power...
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An AC voltage source and a resistor are connected in series to make up a simple AC circuit. If the source voltage is given by V = Vo sin(2nft) , find the first time after t = 0 when the
instantaneous voltage of 50 Hz AC first reaches the following values.
(a)
V = Vo/2
1.6
Note that the voltage in this AC circuit is a sine function. What units should you use for the argument of the sine function? ms
(b)
V = Vo
ms
(c)
V = 0
ms
Additional Materials
O Reading
E Show My Work (Optional) ?
Transcribed Image Text:An AC voltage source and a resistor are connected in series to make up a simple AC circuit. If the source voltage is given by V = Vo sin(2nft) , find the first time after t = 0 when the instantaneous voltage of 50 Hz AC first reaches the following values. (a) V = Vo/2 1.6 Note that the voltage in this AC circuit is a sine function. What units should you use for the argument of the sine function? ms (b) V = Vo ms (c) V = 0 ms Additional Materials O Reading E Show My Work (Optional) ?
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