A 10,000 uF capacitor is excited by a voltage source of 20 Cos (2,000t + 30o)....
A 10,000 uF capacitor is excited by a voltage source of 20 Cos
(2,000t + 30o).
Express the value of impedance ZC of the capacitor in
POLAR (exponential) form.
Formula ____
Magnitude ____
Phase Sign: Positive/Negative ____
Phase Magnitude ____
Homework Answers
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A 10,000 uF capacitor is excited by a voltage source of 20 Cos
(2,000t + 30o)....
A 20 uF capacitor is connected to a voltage source cosine (2513.2t). What is the capacitor's...
A 20 uF capacitor is connected to a voltage source cosine (2513.2t). What is the capacitor's impedance in Cartesian form? Select the answer closest to your answer. A. 19.9 j ohms B. - 19.9j ohms C. -19.89 ohms D. 19 ohms E. 132j ohms
1. A resistor R and capacitor care connected in series with an AC voltage source with...
1. A resistor R and capacitor care connected in series with an AC voltage source with frequency f and maximum voltage Vo. a. Find the complex impedance (in the form Z = R + jX). If the impedance is written in polar form (Z = Zejº), find expressions for Z and Ⓡ. Write your answers in terms of the variables R, C, and o(= 21f). b. If the voltage source is described by the phasor V = V, ejwt, and...
Review Part A. Find the relationship between the phasor voltage and phasor current for a resistance...
Review Part A. Find the relationship between the phasor voltage and phasor current for a resistance The resistor shown here has been transformed into the phasor domain: Ik 4k Suppose that the phasor current is given by IR = 752120 mA. Find the phasor voltage VR. Enter a complex number in polar form, with phase angle in degrees. View Available Hint(s) 3002120 V Submit Previous Answers Correct Part B - Draw the phasor diagram of the resistance from Part A...
A resistor, 50.0-mH inductor, and 100.0-uF capacitor are connected in series with a 50-Hz voltage source....
A resistor, 50.0-mH inductor, and 100.0-uF capacitor are connected in series with a 50-Hz voltage source. The maximum voltage through the circuit is 240 V. Calculate the power across the LCR circuit, if phase angle between the current and voltage is 60degrees.
A resistor (R = 9.00 x 102.2), a capacitor (C = 0.250 uF), and an inductor...
A resistor (R = 9.00 x 102.2), a capacitor (C = 0.250 uF), and an inductor (L = 1.70 H) are connected in series across a 2.40 x 102-Hz AC source for which AVmax = 1.50 x 102 V. (a) Calculate the impedance of the circuit. Ο ΚΩ (b) Calculate the maximum current delivered by the source. (c) Calculate the phase angle between the current and voltage. (d) is the current leading or lagging behind the voltage? The current leads...
For the circuit below, the AC voltage source has the form e = 20 V *...
For the circuit below, the AC voltage source has the form e = 20 V * Cos(500t + 0) (Where 20 V is the maximum Voltage) a) Find the total complex impedance of the circuit (Hint: it should have the form Z = a+bj, determine a and b) b) Now write the impedance in polar form (Hint: it should now have the form Z =Zeøj). c) Find the amplitude of the current through each component. R1 = 512 w R2...
Problem 04: A voltage source is expressed by the following Fourier series: v(t) = -2 +...
Problem 04: A voltage source is expressed by the following Fourier series: v(t) = -2 + 5* sin(t) – 5*cos(t) – 3* sin(2*t) + 4*cos(2*t) – sin(3*t) – 6*cos(3*t) + 4*sin(4*t) + 6*cos(4*t). Now, (a) Express v(t) in amplitude-phase form. (b) Draw the amplitude and phase spectra of v(t) (c) Determine the effective value (rms value) of the voltage v(t) (d) If the voltage is applied across an impedance block as shown in the circuit below, determine the average power...
1. Using circuit 3-1, calculate the total current (which is also the capacitor current and resistor...
1. Using circuit 3-1, calculate the total current (which is also
the capacitor current and resistor current) by using Ohm’s Law. To
do this, you must first compute the total impedance of the circuit,
in polar form. Also, remember that Vs (source voltage) phase shift
is 0 degrees. Write your answer in polar form.
2. Compute the voltage across the capacitor (C1), using Ohm’s
Law and your result from #1. Write your answer in polar form.
3. In a series...
. Consider the circuit below. The voltage source V1 10 cos(400t + 30°). = a. Calculate...
. Consider the circuit below. The voltage source V1 10 cos(400t + 30°). = a. Calculate the impedances of the capacitor and inductor b. Express the currents through the resistor, capacitor and indictor in phasor form e. What is the current provided by the volage soure? Expressedin hasor form V1 100 Ω 40 μF 300 mH
A capacitor is connected across an ac source that has voltage amplitude 59.0 V and frequency...
A capacitor is connected across an ac source that has voltage amplitude 59.0 V and frequency 750 Hz Part A What is the phase angle o for the source voltage relative to the current? Express your answer in degrees. 190 AED ? - Submit Request Answer Part B Does the source voltage lag or lead the current? O lag O lead Submit Request Answer Part What is the capacitance of the capacitor if the current amplitude is 5.50 A ?...
A 20 uF capacitor is connected to a voltage source cosine (2513.2t). What is the capacitor's impedance in Cartesian form? Select the answer closest to your answer. A. 19.9 j ohms B. - 19.9j ohms C. -19.89 ohms D. 19 ohms E. 132j ohms
1. A resistor R and capacitor care connected in series with an AC voltage source with frequency f and maximum voltage Vo. a. Find the complex impedance (in the form Z = R + jX). If the impedance is written in polar form (Z = Zejº), find expressions for Z and Ⓡ. Write your answers in terms of the variables R, C, and o(= 21f). b. If the voltage source is described by the phasor V = V, ejwt, and...
Review Part A. Find the relationship between the phasor voltage and phasor current for a resistance The resistor shown here has been transformed into the phasor domain: Ik 4k Suppose that the phasor current is given by IR = 752120 mA. Find the phasor voltage VR. Enter a complex number in polar form, with phase angle in degrees. View Available Hint(s) 3002120 V Submit Previous Answers Correct Part B - Draw the phasor diagram of the resistance from Part A...
A resistor (R = 9.00 x 102.2), a capacitor (C = 0.250 uF), and an inductor (L = 1.70 H) are connected in series across a 2.40 x 102-Hz AC source for which AVmax = 1.50 x 102 V. (a) Calculate the impedance of the circuit. Ο ΚΩ (b) Calculate the maximum current delivered by the source. (c) Calculate the phase angle between the current and voltage. (d) is the current leading or lagging behind the voltage? The current leads...
For the circuit below, the AC voltage source has the form e = 20 V * Cos(500t + 0) (Where 20 V is the maximum Voltage) a) Find the total complex impedance of the circuit (Hint: it should have the form Z = a+bj, determine a and b) b) Now write the impedance in polar form (Hint: it should now have the form Z =Zeøj). c) Find the amplitude of the current through each component. R1 = 512 w R2...
Problem 04: A voltage source is expressed by the following Fourier series: v(t) = -2 + 5* sin(t) – 5*cos(t) – 3* sin(2*t) + 4*cos(2*t) – sin(3*t) – 6*cos(3*t) + 4*sin(4*t) + 6*cos(4*t). Now, (a) Express v(t) in amplitude-phase form. (b) Draw the amplitude and phase spectra of v(t) (c) Determine the effective value (rms value) of the voltage v(t) (d) If the voltage is applied across an impedance block as shown in the circuit below, determine the average power...
1. Using circuit 3-1, calculate the total current (which is also
the capacitor current and resistor current) by using Ohm’s Law. To
do this, you must first compute the total impedance of the circuit,
in polar form. Also, remember that Vs (source voltage) phase shift
is 0 degrees. Write your answer in polar form.
2. Compute the voltage across the capacitor (C1), using Ohm’s
Law and your result from #1. Write your answer in polar form.
3. In a series...
. Consider the circuit below. The voltage source V1 10 cos(400t + 30°). = a. Calculate the impedances of the capacitor and inductor b. Express the currents through the resistor, capacitor and indictor in phasor form e. What is the current provided by the volage soure? Expressedin hasor form V1 100 Ω 40 μF 300 mH
A capacitor is connected across an ac source that has voltage amplitude 59.0 V and frequency 750 Hz Part A What is the phase angle o for the source voltage relative to the current? Express your answer in degrees. 190 AED ? - Submit Request Answer Part B Does the source voltage lag or lead the current? O lag O lead Submit Request Answer Part What is the capacitance of the capacitor if the current amplitude is 5.50 A ?...
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