An emf of 10 V is connected to a series RC circuit consisting of a resistor of 1.80 ✕ 106 Ω and an initially uncharged capacitor of 3.3 ?F. Find the time required for the charge on the capacitor to reach 94% of its final value.

. An RC circuit with a 54.0 V power source is connected to a fluorescent lamp as shown in the ngure. The lamp L turns on when the voltage across the capacitor reaches 45.0V, which happens after 0.65 seconds after the switch is closed. If R = the capacitance C? (b) If we must switch the lamps 3 times in a second, what should be the value of capacitance? (c) What is the charge on the capacitor when the lamp just flashes in 3MQ, (a) what is the value of both the cases? ww R 54.0V

A 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

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?

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.

An ECG monitor must have an RC time constant less than 1.00 × 102 μs so it can measure variations in voltage over small time intervals. If the resistance of the circuit (due mostly to that of the patient’s chest) is 0.85 kΩ, what is the maximum capacitance of the circuit in F?

An uncharged capacitor and a resistor are connected in series to a source of emf. If E = 10.00 V, C = 16.0 µF, and R = 100 N, find the following: (a) the time constant of the circuit (b) the maximum charge on the capacitor μC (c) the charge on the capacitor after one time constant μC

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 25,957 Ohms and the capacitance is 555 x 10^-6 F. If the source potential being used to charge the capacitor is 14.8 V, how long after charging begins will the energy stored by the capacitor be 65.5% of its maximum value.

An uncharged capacitor and a resistor are connected in series to a source of emf. If  = 10.00 V, C = 24.0 µF, and R = 100 Ω, find the following: (a) the time constant of the circuit s(b) the maximum charge on the capacitor µC(c) the charge on the capacitor after one time constant µC