Question I The input to the circuit shown in Figure 1 is the voltage of the voltage source, 18 V. The output of this circuit, the voltage across the capacitor, is given by vo (t) = 6 + 12e-2 V when t>0 Determine the value of the capacitance, C, and the value of the resistance, R. t = 0 R 18 V 3Ω. Figure 1

Question I The input to the circuit shown in Figure 1 is the voltage of the voltage source, 18 V. The output of this circuit, the voltage across the capacitor, is given by vo (t) = 6 + 12e-2 V when t>0 Determine the value of the capacitance, C, and the value of the resistance, R. t = 0 R 18 V 3Ω. Figure 1

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter18: Resistive-inductive Parallel Circuits

Section: Chapter Questions

Problem 2PP: Assume that the current flow through the resistor, IR, is 15 A; the current flow through the...

See similar textbooks

Similar questions

Assume that the current flow through the resistor, IR, is 15 A; the current flow through the inductor, IL is 36 A; and the circuit has an apparent power of 10,803 VA. The frequency of the AC voltage is 60 Hz. ET ER EL IT IR15A IL36A Z R XL VA10,803 P VARSL PF L
Design a single circuit element containing one inductor, one capacitor and one resistor with v(t)=4+2e-3tV and i(t)=2+3e-3tA for t>0. Also specify the value of the inductance, capacitance and the resistance of the three elements.
The current in a 20 mH inductor is known to be i=40 mA,t≤0; i=A1e−10,000t+A2e−40.000tA,t≥0. The voltage across the inductor (passive sign convention) is 28 V at t=0. 1. Find the expression for the voltage across the inductor for t>0. 2. Find the time, greater than zero, when the power at the terminals of the inductor is zero.
A 60 μF capacitor is connected in series with 40 kΩ resistor across a 120 V supply. Determine (a) the time constant, (b) the current when t = 1.5 mS, (c) the current when t = 5 τ,(d) the voltage at the resistor when t = 1.5 mS, (e) the voltage at the capacitor when t = 1.5 mS, and (f) the time required when VR is equal to VC.
A 100-pF capacitor is constructed of parallel plates of metal, each having a width W anda length L. The plates are separated by air with a distance d. Assume that L and W are bothmuch larger than d. What is the new capacitance ifa. both L and W are doubled and the other parameters are unchanged?b. the separation d is doubled and the other parameters are unchanged from their initialvalues? c. the air dielectric is replaced with oil having a relative dielectric constant of 25 and theother parameters are unchanged from their initial values ?
For the circuit shown, calculate 1. the initial energy stored in the capacitors; 2. the final energy stored in the capacitors; 3. the total energy delivered to the black box; 4. the percentage of the initial energy stored that is delivered to the black box; and 5. the time, in milliseconds, it takes to deliver 7.5 mJ to the black box.
Can you please help with this question? The triangular voltage pulse shown below is applied to a 200 mF capacitor. a) Write the expressions thatdescribe vc(t) in the five time intervals t < 0, 0 ≤ t ≤ 2 , 2 ≤ t ≤ 6, 6 ≤ t ≤ 8, and t > 8. b) Derive theexpressions for the capacitor current, power, and energy for the time intervals in part (a).
A 20.0 μF capacitor, 25.0 μF capacitor, and a 50.0 μF capacitor areconnected in parallel to a 24.0 V battery. a) What is the equivalent capacitance of the combination?b) What is the charge on each capacitor?c) What is the potential difference across each capacitor?d) What is the energy stored in each capacitor?e) What is the total energy stored?
Fill in the blanksadd, capacitance, charge capacity, dielectric, dissipate, electrical circuits, , passive, plates,proximity, storesA capacitor is a 1 …………. two-terminal electrical component that 2 ……… potential energy in anelectric field. The effect of a capacitor is known as 3. …………... While some capacitance exists betweenany two electrical conductors in 4. …………… in a circuit, a capacitor is a component designed to 5.…… capacitance to a circuit. The capacitor was originally known as a condenser.The physical form and construction of practical capacitors vary widely and many capacitor types are incommon use. Most capacitors contain at least two electrical conductors often in the form of metallic 6.………… or surfaces separated by a 7. ………medium. A conductor may be a foil, thin film, or anelectrolyte. The nonconducting dielectric acts to increase the capacitor's 8. ………… ………. Materialscommonly used as dielectrics include glass, ceramic, plastic film, paper, mica, and oxide…
A 811 uF capacitor has an initial voltage, v(0) = 1 V. If the current flowing through the capacitor is i(t) = 18 mA, what is the voltage v(t) across the capacitor, at time t= 12ms? Enter your answer to 3 significant figures.
Design a single circuit element containing one inductor, one capacitor and one resistor with v(t)=-3e-3tV and i(t)=4+2e-3tA for t>0. Also specify the value of the inductance, capacitance and the resistance of the three element.
The circuit shown in the attached image contains a voltage source with emf ε = 2.99 V, a resistor with resistance R = 135 kΩ, and a capacitor with capacitance C = 612 nF. When switch S is set to position a, the three circuit elements are in series. When the switch is in position b, the battery is excluded from the circuit. The switch is initially moved to position a, where it remains for a sufficiently long time that the capacitor is fully charged. The switch is now moved to position b. What is the magnitude of the instantaneous current, in amperes, through the resistor the instant the switch makes contact with terminal b? With time meausred the instant that switch S is closed in position b, calculate the time, in seconds, when the charge on the capacitor is one-half of its maximum value. Calculate the current through the resistor, in amperes, at time t = 155.5 ms after the switch is closed in position b.