For a purely capacitive circuit current leads the voltage by
90°. We use this to find the solution as shown below
A capacitor is connected across an ac source that has voltage amplitude 59.0 V and frequency...
An inductor with L = 9.00 mH is connected across an ac source that has voltage amplitude 47.5 V Part A What is the phase angle o for the source voltage relative to the current? Express your answer with the appropriate units. | TH HÀ + + + = ? 0 = 12.7 Ohm Submit Previous Answers Request Answer Part C What value for the frequency of the source results in a current amplitude of 3.75 A? Express your answer...
A circuit has an ac voltage source and a resistor and capacitor connected in series. There is no inductor. The ac voltage source has voltage amplitude 0.900 kV and angular frequency w = 20.0 rad/s. The voltage amplitude across the capacitor is 0.500 kV. The resistor has resistance R= 0.300 kΩ. Part A What is the voltage amplitude across the resistor? Part B What is the capacitance C of the capacitor? Part C Does the source voltage lag or lead the current? Part D What is the average...
Part A An ac series circuit consists of a voltage source of frequency 60 Hz and voltage amplitude V. a 354- resistor, and a capacitor of capacitance 3.3 uF. What must be the source voltage amplitude V for the average electrical power consumed in the resistor to be 468 W? There is no inductance in the circuit. Express your answer using two significant figures. VE V Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining Provide Feedback...
An inductor with L = 9.40 mH is connected across an ac source that has voltage amplitude 44.0 V . A) What is the phase angle ϕ for the source voltage relative to the current? B) Does the source voltage lag or lead the current? C) What value for the frequency of the source results in a current amplitude of 4.00 A ?
An ac series circuit consists of a voltage source of frequency 60 Hz and voltage amplitude V, a 358-12 resistor, and a capacitor of capacitance 6.2 uF. What must be the source voltage amplitude V for the average electrical power consumed in the resistor to be 432 W? There is no inductance in the circuit. Express your answer using two significant figures. temp@tes Symbols uado ředo reset keyboard shortcuts help, VE
A 27.0-uF capacitor is connected to an ac generator with an ms voltage of 116 V and a frequency of 80.0 Hz. PartA What is the rms current in the circuit? Express your answer to three significant figures and include appropriate units. 1.57 A Correct PartB If you wish to increase the rms current, should you add a second capacitor in series or in parallel? Parallel Series Previous Answers Correct Part C Find the value of the capacitance that should...
Part A: What is the impedance of the circuit? Part B: What is the current amplitude? Part C: What is the phase angle of the source voltage with respect to the current? Part D: Does the source voltage lag or lead the current? Part E: What is the voltage amplitude across the resistor? Part F: What is the voltage amplitude across the inductor? Part G: What is the voltage amplitudes across the capacitor? Constants You have a resistor of resistance...
Part A Constants At what frequency will the current in the circuit be greatest? You have a 190-2 resistor, a 0.393-H inductor, a 4.90-F capacitor, and a variable- frequency ac source with an amplitude of 2.96 V You connect all four elements together to form a series circuit. rad/s Submit RequestAnswer Part B What will be the current amplitude at this frequency? Submit Request Answer Part C What will be the current amplitude at an angular frequency of 407 rad/s?...
A 15.0 mH inductor produces a peak voltage of 10.6 V. s connected across an AC generator that Part A What is the peak current through the inductor if the emf frequency is 100 Hz? Express your answer to two significant figures and include the appropriate units. HA Value IL = Units Request Answer Submit Part B What is the peak current through the inductor if the emf frequency is 100 kHz? Express your answer to two significant figures and...
A 0.70 F capacitor is connected across an AC generator that produces a peak voltage of 21 V. Part A What is the peak current to and from the capacitor if the emf frequency is 100 Hz? Express your answer to two significant figures and include the appropriate units. V Templates Symbols udo redo resat keyboard shortcuts help Value IC = Units Request Answer Submit Part B What the peak to and from the capacitor if the emf frequency is...