A simply RC circuit made up of a capacitor with capacitance C and resistor with resistance R = 15 kΩ is attached to a battery with emf E = 24 V. If time constant is 25 µs, what is the capacitance C and the time it takes for the voltage across the capacitor to reach 16 V after the switch is closed at t = 0?
A simply RC circuit made up of a capacitor with capacitance C and resistor with resistance...
In an RC circuit, the total resistance is 15000 ohms and the battery’s emf is 24.0 V. If the time constant is measured to be 35 x 10 - 6 sec calculate (a) the total capacitance of the circuit and (b) the time it takes for the voltage across the resistor, Vr to reach 16.0 V after the switch is closed.
The resistor in an RC circuit has a resistance of 135 Ω . Part A What capacitance must be used in this circuit if the time constant is to be 3.6 ms ? Part B Using the capacitance determined in part (a), calculate the current in the circuit 7.2 ms after the switch is closed. Assume that the capacitor is uncharged initially and that the emf of the battery is 9.0 V.
The total resistance is 15.0 kohms, and the battery's emf is 24.0 V. If the time constant is measured to be 25.0 µs, calculate (a) the total capacitance of the circuit and (b) the time it takes for the voltage across the capacitor to reach 16.0 V after the switch is closed.
Problem 7 A resistor with resistance R, battery with voltage AV, capacitor with capacitance C, and switch are connected in series. The switch is closed at t = 0. The time constant of the circuit is T. What is the initial voltage across the resistor immediately after the student is closed? Select One of the Following: (a) o (b) AV (c) TAV (d) AV/T (e) AV/(R+C) Problem 8 A capacitor is charged to potential difference V and then allowed to...
The resistor in an RC circuit has a resistance of 155 Ω . Part A What capacitance must be used in this circuit if the time constant is to be 4.2 ms ? Express your answer using two significant figures. C C = μF Part B: Using the capacitance determined in part (a), calculate the current in the circuit 8.4 ms after the switch is closed. Assume that the capacitor is uncharged initially and that the emf of the battery...
Consider a series circuit containing a resistor of resistance R and a capacitor of capacitance C connected to a source of EMF ε with negligible internal resistance. The wires are also assumed to have zero resistance. Initially, the switch is open and the capacitor discharged. (Figure 1)Immediately after the switch is closed, what is the voltage across the resistor?Immediately after the switch is closed, what is the direction of the current in the circuit?
An RC circuit, hooked up to a battery as shown in the figure, starts with an uncharged capacitor. The resistance in the circuit is R = 855.0 ? the capacitor has capacitance of C = 57.0 ?F and the battery maintains the emf of ? = 26.0 V. The switch is closed at time t = 0.0 s and the capacitor begins to charge. a) What is the time constant for this circuit? 4.874×10-2 s (IS CORRECT) b) What is...
"O OHLEI E PICS! 3. An RC-Circuit is made up of a 12 kO resistor, a 40 uF capacitor and a 9.0 V battery. The battery is used to charge the capacitor, and then it is removed from the circuit through the use of a switch, allowing the capacitor to discharge. a. (3 pts.) What is the time constant of the circuit? b. 17 pts.) Calculate the voltage across the capacitor, voltage across the resistor, and the current in the...
In (Figure 1), the total resistance is 10.0 kΩ , and the battery's emf is 22.0 V . The time constant is measured to be 26.0 μs . Calculate the total capacitance of the circuit. C= Calculate the time it takes for the voltage across the resistor to reach 14.0 V after the switch is closed. t=
An RC circuit consists of a 5 uF capacitor, an 80,000 ohm resistor, and a 12-V battery. The switch is closed at t=0. a) Find the time constant of the circuit. b) Find the time to reach 90% of the maximum charge across the capacitor.