A parallel-plate capacitor has a plate area of A = 250 cm2 and a separation of...
A parallel-plate capacitor has a plate area of A = 250 cm2 and a separation of d = 2.00 mm. The capacitor is charged to a potential difference of V0 = 150 V by a battery. A dielectric sheet (κ = 3.50) of the same area but thickness ℓ = 1.00 mm is placed between the plates without disconnecting the battery. (See figure 24-18 on page 642). Determine the electric field in the dielectric. Determine the free charge on the...
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...
The figure shows a parallel-plate capacitor of plate area A and plate separation d. A potential differenceV0 is applied between the plates. While the battery remains connected, a dielectric slab of thickness b and dielectric constant κ is placed between the plates as shown. Assume A = 130 cm2, d = 1.94 cm, V0 = 72.6 V, b = 0.735 cm, and κ = 3.15. Calculate (a) the capacitance,(b) the charge on the capacitor plates,(c) the electric field in the gap, and(d)...
A parallel-plate air capacitor of area A = 12.1 cm2 and plate separation of d = 3.90 mm is charged by a battery to a voltage of 53.0 V. a)What is the charge on the capacitor? b)If a dielectric material with κ = 5.00 is inserted so that it fills the volume between the plates (with the capacitor still connected to the battery), how much additional charge will flow from the battery onto the positive plate?
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 with area 0.100 m2 and plate separation of 2.00 mm is connected to a 9.00-V battery. (a) What is the capacitance? (b) How much charge is stored on the plates? (c) What is the electric field between the plates? (d) Find the magnitude of the charge density on each plate. (e) Without disconnecting the battery, the plates are moved farther apart. Qualitatively, what happens to each of the previous answers?
A parallel-plate capacitor with area 0.320 m2 and plate separation of 2.00 mm is connected to a 5.80-V battery. a.) What is the capacitance? b.) How much charge is stored on the plates? c.) What is the electric field between the plates? d.) Find the magnitude of the charge density on each plate. e.) Without disconnecting the battery, the plates are moved farther apart. Qualitatively, what happens to each of the previous answers?
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 a charge of magnitude Qo on its plates. It is then disconnected from the battery and the space between the plates is filled with a material of dielectric constant 3. After the dielectric is added, the magnitudes of the charge on the plates and the potential difference between them are 15.
A parallel-plate capacitor has charge of magnitude 8.40 µC on each plate and capacitance 3.60 µF when there is air between the plates. The plates are separated by 2.10 mm. With the charge on the plates kept constant, a dielectric withκ = 6is inserted between the plates, completely filling the volume between the plates. (Enter the magnitudes.)(a)What is the potential difference between the plates of the capacitor (in V) before and after the dielectric has been inserted?before Vafter V(b)What is...
A parallel-plate air-filled capacitor having area 57 cm2 and plate spacing 1.4 mm is charged to a potential difference of 820 V. Find (a) the capacitance, (b) the magnitude of the charge on each plate, (c) the stored energy, (d) the electric field between the plates, (e) the energy density between the plates.