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An AC generator causes 50 Hz current in a circuit containing a 290 Ω resistor, 4.89 µF capacitor, 0.362 H inductor, and switch in series. At time t=0, the switch is closed at an instant when the voltage from the generator is 0 V. We measure the rms current as 41.1 mA. a) Write an expression for the instantaneous voltage (aka, the voltage as a function of time). v(t) = ______ b) Does the voltage lead or lag the current? Explain how you know.  c) Draw a phasor diagram at an instant when the current is zero. Label the phase angle. d) Draw a phasor diagram at an instant when the current is maximum. Label the phase ang

An AC generator causes 50 Hz current in a circuit containing a 290 Ω resistor, 4.89 µF capacitor, 0.362 H inductor, and switch in series. At time t=0, the switch is closed at an instant when the voltage from the generator is 0 V. We measure the rms current as 41.1 mA. a) Write an expression for the instantaneous voltage (aka, the voltage as a function of time). v(t) = ______ b) Does the voltage lead or lag the current? Explain how you know.  c) Draw a phasor diagram at an instant when the current is zero. Label the phase angle. d) Draw a phasor diagram at an instant when the current is maximum. Label the phase ang

Power System Analysis and Design (MindTap Course List)
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.27P: An industrial load consisting of a bank of induction motors consumes 50 kW at a power factor of 0.8...
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An AC generator causes 50 Hz current in a circuit containing a 290 Ω resistor, 4.89 µF capacitor, 0.362 H inductor, and switch in series. At time t=0, the switch is closed at an instant when the voltage from the generator is 0 V. We measure the rms current as 41.1 mA.

a) Write an expression for the instantaneous voltage (aka, the voltage as a function of time). v(t) = ______

b) Does the voltage lead or lag the current? Explain how you know. 

c) Draw a phasor diagram at an instant when the current is zero. Label the phase angle.

d) Draw a phasor diagram at an instant when the current is maximum. Label the phase angle.

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