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A 1F capacitor is charged to full capacity by a 10V battery and disconnected. The capacitor...
A capacitor in an RC circuit is charged by a battery to an initial voltage of...
A capacitor in an RC circuit is charged by a battery to an initial voltage of 10V. The capacity is then disconnected from the battery and connected, at time t=0, in series with a 1MOhm resistor. At t=300 s the voltage across the capacitor has decreased to .1V. (a) Find the value of the capacitance. (b) Calculate the initial energy of the capacitor. (c) Calculate the final energy of the capacitor. (d) The difference between the answers to (b) and...
4. A dielectric-filled capacitor is directly connected to a 12.0-V battery until it is fully charged....
4. A dielectric-filled capacitor is directly connected to a 12.0-V battery until it is fully charged. Then the capacitor is disconnected from the battery and, once disconnected, the dielectrie is removed so that air fills the capacitor instead. The dielectric used is pyrex glass, whose dielectric constant is 5.6, while the dielectric constant of air is 1.0059. (a) Determine the voltage across the capacitor plates after the dielectric is removed. (b) With the dielectric removed, the capacitor is discharged by...
Problem 7 A resistor with resistance R, battery with voltage AV, capacitor with capacitance C, and...
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...
A 6.50-nF capacitor is charged to 23.0 V then disconnected from the battery in the circuit...
A 6.50-nF capacitor is charged to 23.0 V then disconnected from the battery in the circuit and connected in series with a coil that has L = 0.0650 H and negligible resistance. After the circuit has been completed, there are current oscillations. part A) At an instant when the charge on the capacitor is 0.0500 μC, what is the current in the inductor? answer 6.85mA part B) How much energy is stored in the capacitor? part C) How much energy...
Problem 5 (5 pts) The plates of a parallel-plate capacitor are fully charged by a battery...
Problem 5 (5 pts) The plates of a parallel-plate capacitor are fully charged by a battery and then disconnected from the battery. If the plates are slowly pulled apart, what happens to the voltage between the plates? A) It increases It decreases CC) It remains constant D) There is no way to tell from the given information. Problem 6 (5 pts): The circuit in the diagram consists ofa l MR resistor, a battery with an emf of 20V, and a...
4. A dielectric-filled capacitor is directly connected to a 12.0-V battery until it is fully charged. Then the capacitor is disconnected from the battery and, once disconnected, the dielectrie is removed so that air fills the capacitor instead. The dielectric used is pyrex glass, whose dielectric constant is 5.6, while the dielectric constant of air is 1.0059. (a) Determine the voltage across the capacitor plates after the dielectric is removed. (b) With the dielectric removed, the capacitor is discharged by...
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...
Problem 5 (5 pts) The plates of a parallel-plate capacitor are fully charged by a battery and then disconnected from the battery. If the plates are slowly pulled apart, what happens to the voltage between the plates? A) It increases It decreases CC) It remains constant D) There is no way to tell from the given information. Problem 6 (5 pts): The circuit in the diagram consists ofa l MR resistor, a battery with an emf of 20V, and a...
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