Homework Answers
Since capacitor is still connected to the battery, while dielectric slab is inserted, battery will maintain the voltage and therefore electric field to remain same between the plates.
Answer: Stays the same
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Question 4 1 pts A parallel-plate capacitor of capacitance C has the area of plates A...
Question 4 1 pts A parallel-plate capacitor of capacitance C has the area of plates A...
Question 4 1 pts A parallel-plate capacitor of capacitance C has the area of plates A and distance between plates d. Capacitor is connected to the battery of voltage V, fully charged and then disconnected. A slab of dielectric material with dielectric constant 4 is then inserted into capacitor, completely filling region between plates. Electric field between plates of capacitor: decreases twice stays the same increases twice decreases 4 times increases 4 times
Question 2 1 pts A parallel -plate capacitor of capacitance C with distance d between plates...
Question 2 1 pts A parallel -plate capacitor of capacitance C with distance d between plates is fully charged from a battery of voltage V and stays connected. The plates of capacitor are slowly pulled to the half of initial distance (d/2). Energy stored is capacitor after pulling the plates to distance d/2: Increased 4 times Increased twice Decreased twice Decreased 4 times Stays the same
A parallel-plate capacitor of capacitance Co, plate area A, spacing d is charged to voltage V....
A parallel-plate capacitor of capacitance Co, plate area A, spacing d is charged to voltage V. and then disconnected from the charging battery. A slab with dielectric constant K and thickness d/2 is thrust into the capacitor, as shown in the figure below; the slab is exactly halfway between the plates. к (a) What is the new capacitance in terms of Co? (b) What is the ratio of the stored energy before to that after the slab is inserted (U/0.)?...
Which of the following would increase the capacitance of a parallel-plate capacitor? I. Insert a dielectric...
Which of the following would increase the capacitance of a parallel-plate capacitor? I. Insert a dielectric between the plates. II. Increase the surface area of each plate. III. Increase the separation distance between the plates. O I and II only OII and III only All of the above. A capacitor is charged with a battery to a voltage V and then disconnected from the battery. A dielectric is inserted between the plates. When the dielectric is inserted, what happens to...
A dielectric material is inserted between the charged plates of a parallel-plate capacitor. Do the following...
A dielectric material is inserted between the charged plates of a parallel-plate capacitor. Do the following quantities increase, decrease, or remain the same as equilibrium is reestablished? 1. Charge on plates (plates remain connected to battery) 2. Electric potential energy (plates isolated from battery before inserting dielectric) 3.Capacitance (plates isolated from battery before inserting dielectric) 4. Voltage between plates (plates remain connected to battery) 5. Charge on plates (plates isolated from battery before inserting dielectric) 6. Capacitance (plates remain connected...
A parallel plate capacitor of capacitance C0 has plates of area A with separation d between them.
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. While it is connected to the battery the space between the plates is filled with a material of dielectric constant k=3. After the dielectric is added, the magnitude of the charge on the plates and the new capacitance are
A parallel-plate capacitor has capacitance C0 = 8.30 pF when there is air between the plates....
A parallel-plate capacitor has capacitance C0 = 8.30 pF when there is air between the plates. The separation between the plates is 2.00 mm a-What is the maximum magnitude of charge that can be placed on each plate if the electric field in the region between the plates is not to exceed 3.00×104 V/m ?(Express your answer with the appropriate units.) b-A dielectric with K = 2.80 is inserted between the plates of the capacitor, completely filling the volume between...
A parallel-plate capacitor has capacitance C0 = 7.00 pF when there is air between the plates. The separation between the plates is 1.10 mm.
A parallel-plate capacitor has capacitance C0 = 7.00 pF when there is air between the plates. The separation between the plates is 1.10 mm. a. What is the maximum magnitude of charge Q that can be placed on each plate if the electric field in the region between the plates is not to exceed 3.00 x 104 V/m? b. A dielectric with K = 2.60 is inserted between the plates of the capacitor, completely filling the volume between the plates. Now...
A parallel-plate capacitor has capacitance Co = 8.30 pF when there is air between the plates....
A parallel-plate capacitor has capacitance Co = 8.30 pF when there is air between the plates. The separation between the plates is 1.60 mm Review Constants What is the maximum magnitude of charge that can be placed on each plate if the electric field in the region between the plates is not to exceed 3.00x104 V/m ? Express your answer with the appropriate units. Part B A dielectric with K = 3.10 is inserted between the plates of the capacitor,...
A parallel plate capacitor of capacitance C0 has plates of area A with separation d between them.
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. The plates are pulled apart to a separation 2d while the capacitor remains connected to the battery and the space between the plates is filled halfway with a material having the dielectric constant K. What are the capacitance and the magnitude of the charge...
Question 4 1 pts A parallel-plate capacitor of capacitance C has the area of plates A and distance between plates d. Capacitor is connected to the battery of voltage V, fully charged and then disconnected. A slab of dielectric material with dielectric constant 4 is then inserted into capacitor, completely filling region between plates. Electric field between plates of capacitor: decreases twice stays the same increases twice decreases 4 times increases 4 times
Question 2 1 pts A parallel -plate capacitor of capacitance C with distance d between plates is fully charged from a battery of voltage V and stays connected. The plates of capacitor are slowly pulled to the half of initial distance (d/2). Energy stored is capacitor after pulling the plates to distance d/2: Increased 4 times Increased twice Decreased twice Decreased 4 times Stays the same
A parallel-plate capacitor of capacitance Co, plate area A, spacing d is charged to voltage V. and then disconnected from the charging battery. A slab with dielectric constant K and thickness d/2 is thrust into the capacitor, as shown in the figure below; the slab is exactly halfway between the plates. к (a) What is the new capacitance in terms of Co? (b) What is the ratio of the stored energy before to that after the slab is inserted (U/0.)?...
Which of the following would increase the capacitance of a parallel-plate capacitor? I. Insert a dielectric between the plates. II. Increase the surface area of each plate. III. Increase the separation distance between the plates. O I and II only OII and III only All of the above. A capacitor is charged with a battery to a voltage V and then disconnected from the battery. A dielectric is inserted between the plates. When the dielectric is inserted, what happens to...
A parallel-plate capacitor has capacitance Co = 8.30 pF when there is air between the plates. The separation between the plates is 1.60 mm Review Constants What is the maximum magnitude of charge that can be placed on each plate if the electric field in the region between the plates is not to exceed 3.00x104 V/m ? Express your answer with the appropriate units. Part B A dielectric with K = 3.10 is inserted between the plates of the capacitor,...
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