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10. A parallel plate capacitor is charged up by a battery. The battery is then disconnected...
A parallel-plate capacitors is disconnected from a battery, and the plates are pulled a small distance...
A parallel-plate capacitors is disconnected from a battery, and the plates are pulled a small distance farther apart. Do the following quantities increase decrease, or stay the same? (a) Capacitance (b) Charge (c) Electric Field between the plates (d) Potential difference between the plates (e) Energy stored in the capacitor
A capacitor is charged with a battery. The battery is then disconnected and a piece of...
A capacitor is charged with a battery. The battery is then disconnected and a piece of insulating material is inserted between the two plates. Which of the following is true? A. The E-field in the capacitor increases as the capacitance increases B. The E-field in the capacitor increases as the capacitance decrease C. The E-field in the capacitor decreases as the capacitance increases C. The E-field in the capacitor decreases as the capacitance decreases
A parallel plate capacitor of capacitance C0 has plates of area A with separation d between them. When it is connected to a battery of voltage V0
A parallel plate capacitor of capacitance C0 has plates of area A with separation d between them. When it is connected to a battery of voltage V0, it has charge of magnitude Q0 on its plates. It is then disconnected from the battery and the plates are pulled apart to a separation 2d without discharging them. After the plates are 2d apart, the new capacitance and the potential difference between the plates are (Show your work or reasoning)
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...
5 A parallel-plate capacitor (Homework #2) A parallel-plate capacitor is made by a pair of plates...
5 A parallel-plate capacitor (Homework #2) A parallel-plate capacitor is made by a pair of plates with area A and separation d. At first, the plates are charged up to+ and - respectively, and then a battery is disconnected. Express all the answers for a) through f only by Q, d, A and s 2d Area A Now the places are pulled apart until the separation becomes 2d What is the electric field E'inside of the capacitor? (Express E" by...
Which statements regarding a plate capacitor are true? The capacitance is inversely proportional to the area...
Which statements regarding a plate capacitor are true? The capacitance is inversely proportional to the area The voltage across a disconnected charged plate capacitor increases when the plates are pulled apart The capacitance depends on the material between the plates. The capacitance is proportional to the gap width The charge of a disconnected charged plate capacitor increases when the plates are pulled apart
A parallel-plate capacitor filled with air carries a charge Q. The battery is disconnected, and a...
A parallel-plate capacitor filled with air carries a charge Q. The battery is disconnected, and a slab of material with dielectric constant k = 2 is inserted between the plates. Which of the following statements is correct? The voltage across the capacitor decreases by a factor of 2. The voltage across the capacitor is doubled. The electric field is doubled. The charge on the plates decreases by a factor of 2. The charge on the plates is doubled.
A capacitor is connected to a battery until it has charge Q. It is then disconnected...
A capacitor is connected to a battery until it has charge Q. It is then disconnected from the battery, maintaining its charge. A dielectric material is introduced between the plates. Which of the following is true? A) The capacitance and the charge increase. B) The charge increases and the potential difference increases. C) The capacitance, charge, and potential difference increase. D) The capacitance increases and the potential difference decreases. E) The capacitance is constant and the potential difference decreases.
A parallel plate capacitor of capacitance Co has plates of area A with separation d between...
A parallel plate capacitor of capacitance Co has plates of area A with separation d between them. When it is connected to a battery of voltage Vo, it has charge of magnitude Qo on its plates. It is then disconnected from the battery and the plates are pulled apart to a separation 2d without discharging them. After the plates are 2d apart, by what factor does the capacitance change? By what factor does the potential difference between the plates change?
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.
A parallel-plate capacitors is disconnected from a battery, and the plates are pulled a small distance farther apart. Do the following quantities increase decrease, or stay the same? (a) Capacitance (b) Charge (c) Electric Field between the plates (d) Potential difference between the plates (e) Energy stored in the capacitor
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...
5 A parallel-plate capacitor (Homework #2) A parallel-plate capacitor is made by a pair of plates with area A and separation d. At first, the plates are charged up to+ and - respectively, and then a battery is disconnected. Express all the answers for a) through f only by Q, d, A and s 2d Area A Now the places are pulled apart until the separation becomes 2d What is the electric field E'inside of the capacitor? (Express E" by...
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.
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