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3. A 10-9 F capacitor (1 nanofarad) is charged to 100 V and then disconnected. One...
A capacitor is completely charged with 570 nC by a voltage source that had 200 V....
A capacitor is completely charged with 570 nC by a voltage source that had 200 V. What is its capacitance? ------------------ Now the plates of the charged capacitor are pushed together with the voltage source already disconnected. a. The energy stored in the capacitor remains the same. b. The capacitance increases. c. The energy stored in the capacitor increases. d. The charge on the plates increases. e. None of the above. ------------- The initial air gap of the capacitor above...
A capacitor of capacitance C1 = 5µF is charged to a potential difference of 100 V....
A capacitor of capacitance C1 = 5µF is charged to a potential difference of 100 V. The terminals of the charged capacitorare then disconnected from the voltage source and connected to the terminals of an uncharged 2 µF capacitor (C2). (a) Compute the original charge on capacitor C1. (b) Compute the final potential difference across the two-capacitor system. (c) Compute the final energy of the system. (d) Compute the decrease in energy when the capacitors are connected.
The charged capacitor from problem 1 is now disconnected from the battery. The isolated capacitor has...
The charged capacitor from problem 1 is now disconnected from the battery. The isolated capacitor has capacitance C = 10 mu F, a potential difference V = 9 V, and stores charge Q on each plate. a. Find Q b. The spacing between the capacitor's plates is now decreased by a factor of 3. Find the values of Q, C, and V after the spacing is decreased.
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...
A 0.6 pF capacitor is charged to 27 V. After charging, the capacitor is disconnected from...
A 0.6 pF capacitor is charged to 27 V. After charging, the capacitor is disconnected from the voltage source and is connected to another uncharged capacitor. The final voltage is 9 V. (a) What is the capacitance of the other capacitor? x PF Enter a number. (b) How much energy was lost when the connection was made? e non se conserva una
A 2.50- mu F capacitor is charged to 747 V and 6.80-mu F capacitor is charged...
A 2.50- mu F capacitor is charged to 747 V and 6.80-mu F capacitor is charged to 564 V capacitors are then disconnected from their batteries. Next the positive plates are connected to each other and the negative plates are connected to each other What will to the potential difference across each and the charge on each? Determine the potential difference across the first capacitor. Determine potential difference across the second capacitor.
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...
10. A parallel plate capacitor is charged up by a battery. The battery is then disconnected...
10. A parallel plate capacitor is charged up by a battery. The battery is then disconnected and the capacitor is kept isolated. The plates are then pulled apart. Which one of the following statements is correct? a) The potential difference between the plates remains the same. b) The charge in the capacitor increases. c) The capacitance increases. d) The charge in the capacitor dereases. e) The capacitance decreases.
Experiment 7 - The Resistor Capacitor Circuit Learning Objectives: Understand the short and long time behavior...
Experiment 7 - The Resistor Capacitor Circuit Learning Objectives: Understand the short and long time behavior of circuits containing capacitors. Understand the and the mathematical relationshin between the current through the circuit as a function time, resistance, capacitance, and potential difference 1. Understanding the models for the behavior of a capacitor in a circuit A capacitor is a device that stores energy in a circuit as potential energy in an electric field. In the simple circuit drawn on the night,...
9. An empty parallel plate capacitor is connected between the terminals of a 12.1-V battery and...
9. An empty parallel plate capacitor is connected between the terminals of a 12.1-V battery and charged up. The capacitor is then disconnected from the battery, and the spacing between the capacitor plates is quadrupled. As a result of this change, what is the new voltage between the plates of the capacitor? ----------- V
The charged capacitor from problem 1 is now disconnected from the battery. The isolated capacitor has capacitance C = 10 mu F, a potential difference V = 9 V, and stores charge Q on each plate. a. Find Q b. The spacing between the capacitor's plates is now decreased by a factor of 3. Find the values of Q, C, and V after the spacing is decreased.
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...
A 0.6 pF capacitor is charged to 27 V. After charging, the capacitor is disconnected from the voltage source and is connected to another uncharged capacitor. The final voltage is 9 V. (a) What is the capacitance of the other capacitor? x PF Enter a number. (b) How much energy was lost when the connection was made? e non se conserva una
A 2.50- mu F capacitor is charged to 747 V and 6.80-mu F capacitor is charged to 564 V capacitors are then disconnected from their batteries. Next the positive plates are connected to each other and the negative plates are connected to each other What will to the potential difference across each and the charge on each? Determine the potential difference across the first capacitor. Determine potential difference across the second capacitor.
10. A parallel plate capacitor is charged up by a battery. The battery is then disconnected and the capacitor is kept isolated. The plates are then pulled apart. Which one of the following statements is correct? a) The potential difference between the plates remains the same. b) The charge in the capacitor increases. c) The capacitance increases. d) The charge in the capacitor dereases. e) The capacitance decreases.
Experiment 7 - The Resistor Capacitor Circuit Learning Objectives: Understand the short and long time behavior of circuits containing capacitors. Understand the and the mathematical relationshin between the current through the circuit as a function time, resistance, capacitance, and potential difference 1. Understanding the models for the behavior of a capacitor in a circuit A capacitor is a device that stores energy in a circuit as potential energy in an electric field. In the simple circuit drawn on the night,...
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