Suppose you wanted to discharge a 250 μE capacitor through a 450 52 resistor down to 1.00% of its original voltage. Randomized variables R = 450 Ω C= 250 uF How much time would be required in seconds? t=? I
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- RC Circuits: In this circuit, the battery has voltage E = 2.0 V, and each resistor has resistance R = 10 Q. The capacitor, which has capacitance C = 1.0 x10-12 F, carries. initial charge 3.0 x 10-12 C, with the positive charge on the right plate. The switch is closed at time t = 0 s. a. Immediately after time t = 0, what current flows through resistor 1? b. A long time later, what current flows through resistor 1? c. Sketch a rough graph of the charge on the right capacitor plate, as a function of time. દ 8. ww C R 2 R3An RC series circuit has a time constant of 40.0ms. When the switch is closed to charge the 50.0 µF capacitor, the initial current is 65.0 mA. What is the potential difference across the capacitor at a time 20.0 ms after closing the switch? Select one O a 12.9 b. 25.0 V O c 14.5 V O d 11.5 V e 20.5 VA 6.00 nF capacitor that is initially uncharged is connected in series with a 900 2 resistor and an emf source with & = 360V and negligible internal resistance. A long time after the circuit is completed (enough time that capacitor is fully charged), what is the current across the resistor? O 0.20 A O 0.067 A 1.33 A OA 0.24 A O 0.40 A 0.16 A
- An RC circuit has an unknown resistance and an initially uncharged capacitor of 515 x 10^-6 F. When connected to a source potential, it takes the capacitor 25.5 s to become 90% fully charged. What is the resistance of the circuit? Enter a number rounded to the nearest 100 place.Given the equation, V =Voe-(2.6x1 )t, at what time will %3D oe the voltage drop by its original value? Select one: a. t= 2566 s b. t= 2666 s C. t= 2746 s d. t 2646 s Given the equation, V – Vne RC what size of resistor would be %3D required to drop the voltage on a 250µF capacitor to its original voltage in 2 min.? Select one: a. R= 470 k2 b. R= 450 k 2 %3D R = 460 k2 С. d. R= 440 kI'm trying to understand this figure Assume the capacitor in the circuit is initially uncharged. Can you calculate the current through each resistor right after the circuit is connected? If so, can you explain and show how you did it? What if the circuit has been connected and left alone for a long time. Calculate the charge on the capacitor plate
- In the circuit in the following figure the two capacitors are initially charged at 45.0 V. (a) How long after closing the S switch the potential through each capacitor will be reduced to 10.0 V? (b) At that time, what will be the value of the current?A small circuit consists of a resistor in series with a capacitor, as shown. = 32.0 V The capacitor stores 23.7 mJ of energy after a Vbat battery has been connected to the circuit for a long time. R Then, the capacitor discharges half of this stored energy in V, bat R, exactly 3.17 s when the battery is removed and replaced by a RL = 29600 2 load. C, Determine the value of the capacitance C in microfarads and resistance R in ohms. Ω C = µF R1 =You have a circuit consisting of a power supply, switch, resistor, two capacitors, and voltage/current probes. The resistor has the value R1 = (1.8 ± 10%) MQ. The capacitors have %3D the values C1 = (0.6 ± 20%) µF and C2 = (2.2 ± 20%) µF. The logger pro data resembles the plot below. 40 35 30 25 20 15 10 1 2 3 5 6 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 a) Label the title and all the axes on the plot above. Identify which region corresponds to the capacitors charging and discharging. Be sure to include appropriate units (MKS).