R50.0 VConsider the circuit with R = 261 kQ and C = 162 µF. If the capacitor is initially uncharged, what will be the magnitude of the voltage in voltsacross the capacitor at a time 48.2 seconds after the switch is closed? (Enter answer as a positive number with 1 digit right of decimal. Do notenter unit.)

Answered: Image /qna-images/answer/9d0fc4bd-5ce7-4fb8-8f03-4f48e704485b.jpg

Answered: R 50.0 V Consider the circuit with R =…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter29: Direct Current (dc) Circuits

Section: Chapter Questions

Problem 78PQ: In the RC circuit shown in Figure P29.78, an ideal battery with emf and internal resistance r is...

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The values of the components in a simple series RC circuit containing a switch (Fig. P21.53) are C = 1.00 F, R = 2.00 106 , and = 10.0 V. At the instant 10.0 s after the switch is closed, calculate (a) the charge on the capacitor, (b) the current in the resistor, (c) the rate at which energy is being stored in the capacitor, and (d) the rate at which energy is being delivered by the battery.
Figure P29.60 shows a simple RC circuit with a 2.50-F capacitor, a 3.50-M resistor, a 9.00-V emf, and a switch. What are a. the charge on the capacitor, b. the current in the resistor, c. the rate at which the capacitor is storing energy, and d. the rate at which the battery is delivering energy exactly 7.50 s alter the switch is closed?
Consider a series RC circuit as in Figure P18.35 for which R = 1.00 M, C = 5.00 F, and = 30.0 V. Find (a) the time constant of the circuit and (b) the maximum charge on the capacitor after the switch is thrown closed. (c) Find the current in the resistor 10.0 s after the switch is closed. Figure P18.35 Problem 35 and 38.
In the RC circuit shown in Figure P29.78, an ideal battery with emf and internal resistance r is connected to capacitor C. The switch S is initially open and the capacitor is uncharged. At t = 0, the switch is closed. a. Determine the charge q on the capacitor at time t. b. Find the current in the branch be at time t. What is the current as t goes to infinity?
The timing device in an automobile’s intermittent wiper system is based on an RC time constant and utilizes 0.5.00F capacitor and available resistor. Over what range must R be made to vary to achieve time constants from 2.00 to 15.0 s?
(a) When the switch S in the circuit of Figure P28.14 is closed, will the equivalent resistance between points a and b increase or decrease? State your reasoning. (b) Assume the equivalent resistance drops by 50.0% when the switch is closed. Determine the value of R.
The power dissipated in a resistor is given by P = V2/R, which means power decreases if resistance increases. Yet this power is also given by P = I2R, which means power increases if resistance increases. Explain why there is no contradiction here.
Consider a series RC circuit as in Figure P28.38 for which R = 1.00 M, C = 5.00 F, and = 30.0 V. Find (a) the time constant of the circuit and (b) the maximum charge on the capacitor after the switch is thrown closed. (c) Find the current in the resistor 10.0 s after the switch is closed.
To a series circuit, in which the capacitance is 15 x10 -6(farads) and the resistance is 1500 (ohms), a voltage of 210 V (volts). Evaluate (a) The capacitor charge if i(0) = 0.5.(b) Determine the charge q(t) and the current i(t) for t = 1.5 seconds.(c) Determine the load when t →∞
For an circuit consisting of a resistance R, a capacitor C and an emf E in series, make two graphs with proper labels showing how the voltage across the resistor and the charge on the capacitor will change in time– assuming that the capacitor is initially uncharged.
In an RC series circuit, ε = 12.0 V, R = 1.92 MΩ, and C = 1.51 µF. (a) Calculate the time constant. (b) Find the maximum charge that will appear on the capacitor during charging. (c) How long does it take for the charge to build up to 9.98 µC?
To get the minimum current, the connection should be in series. If you create a series connection with 30V DC source and three resistors with R1 = 50Ω, R2 = 75Ω, and R3 = 100Ω, how do you calculate for the total current (IT) and the current flowing in each resistor (I1, I2, I3), and the total voltage (VT) and the voltage across each resistor (V1, V2, V3)? How do you also determine the power dissipated by each resistor (P1, P2, P3) and by the whole circuit (PT)??

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