To three decimal places, what fraction of the total charge does a capacitor in an RC circuit have after charging for 4.15 time constants; the fraction f such that q(4.15t) = fQmaz ?
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- After the capacitor in an RC circuit had acquired charges, the battery was removed. As aresult, the capacitor discharged. The time constant of the RC circuit is 1.25 s. Find the timeafter the battery was removed, such that the charge in the capacitor is 65% of its initialcharge.In an RC series circuit, ℰℰ = 12.0 V, R = 1.07 MΩ, and C = 2.16 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 20.5 µC?A RC circuit is constructed with a (initially uncharged) 5.00-µF capacitor and a 5.00- ohm resistor, which are connected in series to an ideal battery with emf 60.0 V. At a certain time after the circuit is connected, it is found that heat is being produced in the resistor at a rate of 300 W. How much energy is stored in the capacitor at that time (in Joules)? O None of these 1.8x104 1.13x10-3 3.75x10-3 9x10-3
- An RC circuit has a 11 F capacitor and a 0.5 ogm resistor. If the initial charge stored on the capacitor is 20 C then at what time will the charge be 2.5 C?Consider an initially uncharged capacitor in an RC circuit. The resistance is 20,000 Ohms and the capacitance is 500 x10• F. If the source potential being used to charge the capacitor is 15 V, how long after charging begins will the power delivered to the resistor be 25 % of its maximum value?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 =
- In the circuit shown in the figure, the S switch closed at t=0 and the capacitors, which are completely empty, begin to fill. Here ε=10 V, C=5 μF and R=55 Ω. What is the time constant of the circuit, τ, in units of microseconds? When t= τ, what is the total charge, in units of microcoulomb, accumulated in the capacitors?R A 485 resistor, an uncharged 1.50 μF capacitor, and a 6.18 V emf are connected in series. (a) What is the initial current (in mA)? MA (b) What is the RC time constant (in s)? (c) What is the current (in mA) after one time constant? mA Z t Russell 2000 A S S (d) What is the voltage (in V) on the capacitor after one time constant? E 4 R 4 % "C 5 Q Search DEC G 40 B Assignment-Responses/suunt: 6 O 1& H N 4 الالالالالك 4+ M 8 19 autosave 000 32 ctri Protect your privacy with Privacy Camera Kill Switch and Fingerprint Reader Seedisainers ogrodutbox 92 + } pause 2 backspace Built thin and light for those on-the-go M enter hp HP ENVY x360 Get more done with the latest Intel® CoreTM processor. home 4 BANG & OLUFSEN 3-way micro-edge display Audio by Bang & Olufsen 1 9 G 34x 1 8 5 4:30 PM 6/19/2023 BANG & OLUFSEN 3 pg dn entThe duration of a photographic flash is related to an RC time constant, which is 0.12 us during the flash discharge for a certain camera. td = 0.12 us R = 0.048 ohm (a) If the resistance of the flash lamp is 0.048 ohm during discharge, what is the size of the capacitor supplying its energy in uF? (b) What is the time constant for charging the capacitor, if the charging resistance is 800.0 kOhm in s?