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An AC source i(t)=(20.0[mA])cos((10.0[rad/s])t) is connected to a 100[μF] capacitor , what is the potential through the capacitor?
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- Phasors and alternating current. A 2000 resistor is connected in series with a 4.00 uF capacitor and an ac source. The voltage across the resistor is VR - 5.00 V cos [(800 rad/s) t]. What is the reactive capacitance and the instantaneous voltage across the capacitor ⒸA. X. - 8.00 x 1040, vc - 2.00 x 10¹5 V cos [(800 rad/s) t - r/2] OB. X. - 8.00 x 104 0, vc - 2.00 x 10¹5 V cos [(800 rad/s) t + n/2] OC. X. -1.25 x 10³ 0, v₁ = 31.2 V cos [(800 rad/s) t + n/2] OD. X. -1.25 x 10³ Q, Vc = 31,2 V cos [(800 rad/s) t - n/2]Phasors and alternating current. A 200 resistor is connected in series with a 4.00 uF capacitor and an ac source. The voltage across the resistor is VR = 5.00 V cos [(800 rad/s) t]. What is the reactive capacitance and the instantaneous voltage across the capacitor O A. X = 8.00 x 1040, vc = 2.00 x 10-5 V cos [(800 rad/s) t-π/2] O B. X = 8.00 x 10-40, vc = 2.00 x 10-5 V cos [(800 rad/s) t + π/2] O C. XC -1.25 x 10³ 0, vc = 31.2 V cos [(800 rad/s) t + π/2] O D. X 1.25 x 103 0, vc = 31.2 V cos [(800 rad/s) t- TT/2]Four capacitors of lµF, 3µF ,5µF and 6µF are connected in series across 360V AC supply. Evaluate the following: i. Equivalent Capacitance in terms of µF ii. Charge on each capacitor in terms of µC iii. Voltage across each capacitor.
- In an RC series circuit, the EMF, E = 8.1 Volts, resistance = 1.40 MQ and the capacitance = 10.0 µF. Calculate the maximum charge possible on the capacitor in μC. %3D Use 1 decimal place in your answer.C3 C1 = 6.00 jaF, C2 = 1.00 uF, C3 = 3.00 µF, C4 C4 = 6.00 µF, Vab = 12.0 V C Figure 1. Network of Capacitors for Questions 1 to 4. In Fig. 1, the equivalent capacitance of the network of capacitors connected to the DC source is most nearly А. 0.833 иF. В. 1.20 рF. C. 2.00 µF. D. 0.500 uF. Е. 1.00 иF.A capacitor is connected across an AC source. At one instant in time, the current through the capacitor is 23 mA when the voltage across the capacitor is changing at a rate of 7.2 x 104 V/s . What is the value of the capacitance?
- In an RC series circuit, emf = 12.0 V, resistance R = 1.21 MΩ, and capacitance C = 1.87 μF.Calculate the time constant. Find the maximum charge that will appear on the capacitor during charging.An LRC-series circuit has the following parameters L = 1/2 h, R = 30,C = 1/1700 f. Find the charge q = q(t) on the capacitor if E(t) = 170V , q(0) = 5.1 C and q0(0) = 0. Please find q(t) by fi nding the general solution of DE for q(t) and using the initial conditions.Two series capacitors 25.0 µF and 15.0 µF are connected in parallel with a 6.00 µF capacitor. What is the total capacitance in the circuit
- -h, R = 10 N, C = 0.01 f, E(t) = 150 V, g(0) = 1 C, and i(0) = 0 A. 2 Find the charge on the capacitor in an LRC-series circuit when L = –10t e 3 q(t) = (cos 10t + sin 10t) + 2 2 What is the charge on the capacitor after a long time? 36.0 μF 3.0 μF 6.0 μF 3.0 μF 400 V Solve for the energy for each capacitor, and the equivalent capacitance of the circuit.A circuit has a 27 millifarad capacitor in a loop with a 127 ohm resistor and nothing else. At t = 0 the potential across the capacitor is 46 volts. What would the potential (in volts) across the capacitor be 6 seconds later?