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- 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 an RC circuit in which R = 0.5 Ω, C=0.1 F, and Eo = 20 V. Given that the capacitor haszero initial charge, determine the current in the circuit after 0.25 seconds.Suppose a current is given by the equation l=1.40sin 210twhere I is in amperes and t in seconds. (a) What is thefrequency? (b) What is the rms value of the current? (c) Ifthis is the current through a 24.0 Ω resistor, write theequation that describes the voltage as a function of time
- in the circuit shown in the figure, the S switch is closed at t=0 and the capasitors, which are completely empty, begin to fill. Here E=30V, C=3 uF and R=40 ohm. A) what is the time constant of the circuit, T, in the units of microseconds? B)when t=T, what is the total charge, in units of microcoulomb?Consider a series RC circuit as in the figure below for which R = 9.00 MΩ, C = 1.00 µF, and ? = 35.0 V. (a) Find the time constant of the circuit. s(b) What is the maximum charge on the capacitor after the switch is thrown closed? µC(c) Find the current in the resistor 10.0 s after the switch is closed. µAConsider a series RC circuit as in the figure below for which R = 5.00 MΩ, C = 1.00 µF, and = 35.0 V. (a) Find the time constant of the circuit.5 s(b) What is the maximum charge on the capacitor after the switch is thrown closed? 35 µC(c) Find the current in the resistor 10.0 s after the switch is closed. ????? µF
- At time t = 0, an RC circuit consists of a 14.0-V emf device, a 54.0-Ω resistor, and a 148.0-µF capacitor that is fully charged. The switch is thrown so that the capacitor begins to discharge. Time constant of the circuit is 0.007992s How much charge is stored by the capacitor at t = 0.5?, 2?, and 4??Consider two identical simple RC circuits each composed of acapacitor ( 2.49 mF), a resistor ( 25.3 kΩ), and a constant DC source( 19.7 V). At time t = 0, one capacitor, initially fully charged, is madeto discharge through the resistor in its RC circuit, with the DC sourcedisconnected. At the same time, the other capacitor, initially uncharged, is made to charge through the DC source in its RC circuit, with theconnected resistor. The time at which the two capacitors will have equalcharge is most nearlyUsing the exact exponential treatment, find how much time (in s) is required to charge an initially uncharged 120 pF capacitor through a 67.0 MΩ resistor to 91.0% of its final voltage. __________s
- 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)??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?Consider a series RC circuit as in the figure below for which R = 8.00 MΩ, C = 3.00 µF, and = 34.0 V. What is the time constant of the circuit. What is the maximum charge on the capacitor after the switch is thrown closed? Find the current in the resistor 10.0 s after the switch is closed.