A 12 μF capacitor is charged using a 7.0 v battery. The battery is then removed and a 1.5 MΩ resistor is connected to the capacitor. How many seconds pass before the voltage across the resistor is 3.0 volts?
A 12 μF capacitor is charged using a 7.0 v battery. The battery is then removed...
A 12 μF capacitor is charged using a 7.0 v battery. The battery is then removed and a 1.5 MΩ resistor is connected to the capacitor. How many seconds pass before the voltage across the resistor is 3.0 volts?
A 1.15 μF capacitor, initially charged to 13.5 V , discharges when it is connected in series with a resistor. Part A What resistance is necessary to cause the capacitor to have only 37% of its initial charge 2.00 s after starting? (MΩ ) Part B What is the voltage across the capacitor at t = 5 τ if the capacitor is instead charged by the same battery through the same resistor? (v)
An uncharged 1.0-μF capacitor is connected in series with a 23-kΩ resistor, an ideal 7.0-V battery, and an open switch. What is the voltage across the capacitor 11ms after closing the switch? A) 2.6V B) 2.7V C) 1.6V D) 0.62V
A 12 μF capacitor is charged to 90 V and is then connected across a 400Ω resistor. Part A: What is the initial current through the capacitor just after it is connected to the resistor? Part B: How much charge remains on the capacitor 4ms after it is connected to the resistor?
A 1.00-μF capacitor is charged by being connected across a 11.0-V battery. It is then disconnected from the battery and connected across an uncharged 3.00-μF capacitor. Determine the resulting charge on each capacitor. 1.00 μF capacitor μC 3.00 μF capacitor μC
A 3.10-μF capacitor is charged by a 12.0-V battery. It is disconnected from the battery and then connected to an uncharged 5.50-μF capacitor (see (Figure 1) ). Part A Determine the total stored energy before the two capacitors are connected. Part B Determine the total stored energy after they are connected. Part C What is the change in energy?
A parallel-plate capacitor is charged using a 100 V battery, then the battery is removed. If a dielectric slab is slid between the plates, filling the space inside, the capacitor voltage drops to 30 V. What is the electric constant of the dielectric?
Four capacitors (C1 = 9.0 μF, C2= 7.0 μF, C3 = 12 μF, and C4 = 30 μF)are connected to a 18-V battery as shown below. (a) Calculate the equivalent capacitance of the circuit. (b) Determine the voltages across each capacitor. (c) Find the charge on each capacitor. Please, show all the important physics steps to earn full credits.
A 7.3-μF capacitor is charged by a 175-V battery (see (Figure 1) a) and then is disconnected from the battery. When this capacitor (C1) is then connected (see (Figure 1) b) to a second (initially uncharged) capacitor, C2, the final voltage on each capacitor is 17 V . What is the value of C2? [Hint: charge is conserved.] Express your answer using two significant figures and include the appropriate units.
A 3.40-μF capacitor is charged by a 12.0-V battery. It is disconnected from the battery and then connected to an uncharged 4.50-μF capacitor (see (Figure 1)). Determine the total stored energy after they are connected. Express your answer using three significant figures and include the appropriate units. What is the change in energy? Express your answer using three significant figures and include the appropriate units.