Question

A 400 Hz sinusoidal voltage with a maximum amplitude of 100 V at t=0 is applied across the terminals of an inductor. The maximum amplitude of the steady-state current in the inductor is 20 A. If the phase angle of the voltage is zero, what is the phase angle of the current? Select one: a. -90° b. 45° c. None of these d. +90°

          A 400 Hz sinusoidal voltage with a maximum amplitude of 100 V at t=0 is applied across the terminals of an inductor. The maximum amplitude of the steady-state current in the inductor is 20 A. If the phase angle of the voltage is zero, what is the phase angle of the current?
Select one: a. -90° b. 45° c. None of these d. +90°
        
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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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A 400 Hz sinusoidal voltage with a maximum amplitude of 100 V at t=0 is applied across the terminals of an inductor. The maximum amplitude of the steady-state current in the inductor is 20 A. If the phase angle of the voltage is zero, what is the phase angle of the current? Select one: a. -90° b. 45° c. None of these d. +90°
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Transcript

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00:01 Hi, let's see from the question we have frequency f equal to 400 hertz and v equal to 100 v and im equal to 20 ampere.
00:19 In phase form, v equal to 100 angle 0 degree.
00:25 Now the current i equal to v by omega l angle minus...
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