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.
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A parallel-plate capacitor filled with air carries a charge
Q. The battery is disconnected, and 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
(1 point) A parallel plate capacitor is filled with a dielectric that has a dielectric constant...
(1 point) A parallel plate capacitor is filled with a dielectric that has a dielectric constant of 1.09. The plates have an area of 2.26 mm² and are separated by a distance of 2.86 um. (A) What is the capacitance of this filled capacitor? (B) What is the capcitance of this capacitor when it is empty? (C) If the filled capacitor is connected to a 9 volt battery, what is the charge stored on the plates of this filled capacitor?...
The charge on the 4.00 cm2 area plates of an air-filled parallel plate capacitor is such...
The charge on the 4.00 cm2 area plates of an air-filled parallel plate capacitor is such that the electric field is at the breakdown value. By what factor will the maximum charge on the plates increase when polystyrene is inserted between the plates? (The dielectric strength of air is 3.00 × 106 V/m and that of polystyrene is 2.40 x 107 V/m. The dielectric constant of polystyrene is 2.56. Supporting Materials Physical Constants Additional Materials Tutorial
An air-filled capacitor is made from two flat parallel plates 1.4 mm apart. The inside area...
An air-filled capacitor is made from two flat parallel plates 1.4 mm apart. The inside area of each plate is 8.8 cm2. a) What is the capacitance of this set of plates (in pF) b) If the region between the plates is filled with a material whose dielectric constant is 6.6, what is the new capacitance (in pF)? 2) A parallel-plate capacitor with only air between its plates is charged by connecting the capacitor to a battery. The capacitor is...
Two air-filled parallel-plate capacitors with capacitances C1 and C2 are connected in series to a battery...
Two air-filled parallel-plate capacitors with capacitances C1 and C2 are connected in series to a battery that has voltage V; C1 = 3.00 μF and C2 = 6.00 μF. The electric field between the plates of capacitor C2 is E02. While the two capacitors remain connected to the battery, a dielectric with dielectric constant K = 4 is inserted between the plates of capacitor C1, completely filling the space between them. After the dielectric is inserted in C1, the electric...
An air-filled parallel plate capacitor with a plate spacing of 1.20 cm has a capacitance of...
An air-filled parallel plate capacitor with a plate spacing of 1.20 cm has a capacitance of 3.40 �F. The plate spacing is now doubled and a dielectric is inserted, completely filling the space between the plates. As a result the capcitance becomes 15.4 �F. Calculate the dielectric constant of the inserted material.
An air-filled parallel plate capacitor with a plate spacing of 1.90 cm has a capacitance of...
An air-filled parallel plate capacitor with a plate spacing of 1.90 cm has a capacitance of 4.10 μF. The plate spacing is now doubled and a dielectric is inserted, completely filling the space between the plates. As a result the capacitance becomes 16.9 μF. Calculate the dielectric constant of the inserted material.
A parallel-plate capacitor with only air between the plates is charged by connecting it to a...
A parallel-plate capacitor with only air between the plates is charged by connecting it to a battery. The capacitor is then disconnected from the battery, without any of the charge leaving the plates. A. A voltmeter reads 44.0 V when placed across the capacitor. When a dielectric is inserted between the plates, completely filling the space, the voltmeter reads 11.0 V . What is the dielectric constant of this material? B. What will the voltmeter read if the dielectric is...
A parallel plate capacitor with plate separation of 1 millimeter is connected to a battery of...
A parallel plate capacitor with plate separation of 1 millimeter is connected to a battery of 10 volts. If the region between the plates is free space (epsilon_r = 1), calculate the electric field between the plates in Volts/meter, and the electric flux density between the plates in Coulombs/m^2. Suppose a dielectric with dielectric constant epsilon_r = 5 is inserted between the plates. With the battery still connected, calculate the electric field and the electric flux density. Which field has...
The plates of an air-filled parallel-plate capacitor with a plate area of 16.5 cm2 and a...
The plates of an air-filled parallel-plate capacitor with a plate area of 16.5 cm2 and a separation of 8.80 mm are charged to a 130-V potential difference. After the plates are disconnected from the source, a porcelain dielectric with κ = 6.5 is inserted between the plates of the capacitor. (a) What is the charge on the capacitor before and after the dielectric is inserted? Qi = ___C Qf = ____C (b) What is the capacitance of the capacitor after...
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
(1 point) A parallel plate capacitor is filled with a dielectric that has a dielectric constant of 1.09. The plates have an area of 2.26 mm² and are separated by a distance of 2.86 um. (A) What is the capacitance of this filled capacitor? (B) What is the capcitance of this capacitor when it is empty? (C) If the filled capacitor is connected to a 9 volt battery, what is the charge stored on the plates of this filled capacitor?...
The charge on the 4.00 cm2 area plates of an air-filled parallel plate capacitor is such that the electric field is at the breakdown value. By what factor will the maximum charge on the plates increase when polystyrene is inserted between the plates? (The dielectric strength of air is 3.00 × 106 V/m and that of polystyrene is 2.40 x 107 V/m. The dielectric constant of polystyrene is 2.56. Supporting Materials Physical Constants Additional Materials Tutorial
A parallel plate capacitor with plate separation of 1 millimeter is connected to a battery of 10 volts. If the region between the plates is free space (epsilon_r = 1), calculate the electric field between the plates in Volts/meter, and the electric flux density between the plates in Coulombs/m^2. Suppose a dielectric with dielectric constant epsilon_r = 5 is inserted between the plates. With the battery still connected, calculate the electric field and the electric flux density. Which field has...
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