Question

In: Physics

An uncharged 2.51 μF capacitor is connected in series with a 6.25 kΩ resistor and an...

An uncharged 2.51 μF capacitor is connected in series with a 6.25 kΩ resistor and an emf source with 70.8 V and negligible internal resistance. The circuit is completed at t = 0.

A-) Just after the circuit is completed, Find the rate at which electrical energy is being dissipated in the resistor?

B-) At what value of tt is the rate at which electrical energy is being dissipated in the resistor equal to the rate at which electrical energy is being stored in the capacitor?

C-)  At the time calculated in part B, what is the rate at which electrical energy is being dissipated in the resistor?

Solutions

Expert Solution


Related Solutions

An uncharged capacitor and a resistor are connected in series to a source of emf. If...
An uncharged capacitor and a resistor are connected in series to a source of emf. If e m f = 10.0 V, C = 21.0 µF, and R = 100 Ω, find the following. (a) the time constant of the circuit (b) the maximum charge on the capacitor (c) the charge on the capacitor at a time equal to one time constant after the battery is connected
A 6.50 μF capacitor that is initially uncharged isconnected in series with a 4500 Ω resistor...
A 6.50 μF capacitor that is initially uncharged isconnected in series with a 4500 Ω resistor and a503 V emf source with negligible internal resistance. a)Just after the circuit is completed, what is the voltagedrop across the capacitor?                   Vc=                  V b)Just after the circuit is completed, what is the voltagedrop across the resistor?                       VR =                 V c)Just after the circuit is completed, whatis the charge on the capacitor?                 Qo=                     C d)Just after the circuit is completed, whatis the current through the resistor?                IR=                 A...
A 10.0 μF capacitor initially charged to 30.0 μC is discharged through a 1.80 kΩ resistor....
A 10.0 μF capacitor initially charged to 30.0 μC is discharged through a 1.80 kΩ resistor. How long does it take to reduce the capacitor's charge to 15.0 μC ?
A 215 Ω resistor, a 0.900 H inductor, and a 6.50 μF capacitor are connected in...
A 215 Ω resistor, a 0.900 H inductor, and a 6.50 μF capacitor are connected in series across a voltage source that has voltage amplitude 29.5 Vand an angular frequency of 220 rad/s . a) What is v at t= 18.0 ms ? ANS: -27.7V b) What is vR at t= 18.0 ms ? c)What is vL at t= 18.0 ms ? d)What is  vC at t= 18.0 ms ? e)What is VR? f)What is VC? g)What is VL?
A 197 Ω resistor, a 0.925 H inductor, and a 5.75 μF capacitor are connected in...
A 197 Ω resistor, a 0.925 H inductor, and a 5.75 μF capacitor are connected in series across a voltage source that has voltage amplitude 31.5 V and an angular frequency of 230 rad/s. What is v at t= 19.0 ms? What is vR at t= 19.0 ms? What is vL at t= 19.0 ms? What is  vC at t= 19.0 ms? Compare vC+vL+vR and v at this instant. What is VR? What is VC? What is VL? Compare V and...
A 190 Ω resistor, a 0.875 H inductor, and a 5.75 μF capacitor are connected in...
A 190 Ω resistor, a 0.875 H inductor, and a 5.75 μF capacitor are connected in series across a voltage source that has voltage amplitude 32.0 V and an angular frequency of 270 rad/s. A. What is v at t= 22.0 ms ? B. What is vR at t= 22.0 ms ? C. What is vL at t= 22.0 ms ? D. What is vC at t= 22.0 ms ? E. Compare vC+vL+vR and v at this instant: vC+vL+vR<v vC+vL+vR>v...
A 5.0 microF capacitor and a resistor are connected in series to a 12V battery with...
A 5.0 microF capacitor and a resistor are connected in series to a 12V battery with an open switch on a simple RC circuit. The switch is closed when t = 0. The time constant in the circuit is 4.0 s. Determine the value of the resistance. a. 8.0x10 ^ 5 ohm b. 8.0x10 ^ 8 ohm c. 8.0x10 ^ 7 ohm d. 60 ohm e. 15 ohm =================================================================== A proton and an electron enter a region of the uniform...
A 55.4 ? resistor is connected in series with a 16.2 microF capacitor and a 60...
A 55.4 ? resistor is connected in series with a 16.2 microF capacitor and a 60 Hz, 140 V source. a) Find the current in the circuit. Answer in units of mA. b) What is value of the inductor that must be inserted in the circuit to reduce the current to one half the previous current? Answer in units of H.
10.An AC voltage source is connected in series to an inductor, a capacitor, and a resistor...
10.An AC voltage source is connected in series to an inductor, a capacitor, and a resistor of 8 Ohms. At the frequency when the phase angle is zero, capacitive reactance is 7 Ohms. What is the phase angle between the current and voltage at a frequency which is a factor of 3.2 times less than this frequency? answer in degresss and if negative 6. the resistance of a coil spun in a generator is 2 Ohms. the coil is in...
A 100 F capacitor and a 225  resistor are connected in series with a 75.0 V battery....
A 100 F capacitor and a 225  resistor are connected in series with a 75.0 V battery. The switch is closed and the capacitor begins to charge.   a)When does the capacitor hold 15.0 % of its maximum charge? Express your answer in milliseconds. b)What is the voltage across the resistor at this same time? Please state your answers as clear as possible and show all the steps and formulas used. Thank you!!!
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT