: A metal sphere has capacitance 3 x 10 F when surrounded by a medium of dielectric constant 3. Find its capacitance when the sphere is surrounded by a medium of dielectric constant 4.
Q: certain substance has a dielectric constant of 2.8 and a dielectric strength of 18.0 MV/m. If it is…
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A: What happens to the potential difference in a parallel plate capacitor when a dielectric is removed?
Q: Capacitance Problem 18: A cylindrical capacitor is made of two concentric conducting cylinders.…
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Q: A certain substance has a dielectric constant of 3.8 and a dielectric strength of 25 MV/m. If it is…
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- A certain substance has a dielectric constant of 2.2 and a dielectric strength of 22 MV/m. If it is used as the dielectric material in a parallel-plate capacitor, what minimum area should the plates of the capacitor have to obtain a capacitance of 10 × 10²µ F and to ensure that the capacitor will be able to withstand a potential difference of 3.4 kV? Number i UnitsA cylindrical capacitor is made of two thin-walled concentric cylinders. The inner cylinder has radius R₂ = 7.5 mm, and the outer one a radius R = 14 mm. The region between the cylinders contains a dielectric with constant =3.6. The common length of the cylinders is L=7.5 m (Assume the cylinders can be treated as ideal infinite cylinders.) Determine the potential energy stored in this capacitor when a potential difference V = 38.8V is applied between the inner and outer cylinders in n.J. ME hpConsider a parallel plate capacitor having plates of area 1.4 cm2 that are separated by 0.018 mm of neoprene rubber. You may assume the rubber has a dielectric constant κ = 6.7. a) What is the capacitance in μF? b) What charge, Q, in coulombs, does it hold when 9.00 V is applied to it?
- Capacitance Problem 18: A cylindrical capacitor is made of two concentric conducting cylinders. The inner cylinder has radius R1 = 19 cm and carries a uniform charge per unit length of λ = 30 μC/m. The outer cylinder has radius R2 = 45 cm and carries an equal but opposite charge distribution as the inner cylinder. Part (b) Calculate the electric potential difference between the outside and the inside cylinders in V. Part (c) Calculate the capacitance per unit length of these concentric cylinders in F/m.A capacitor is constructed from two square, metallic plates of sides ℓ and separation d. Charges +Q and -Q are placed on the plates, and the power supply is then removed. A material of dielectric constant κ is inserted a distance x into the capacitor as shown in the figure below. Assume d is much smaller than x. Suggestion: The system can be considered as two capacitors connected in parallel. (Use the following as necessary: ε0, κ, ℓ, Q, d, and x.) (a) Find the equivalent capacitance of the device.Ceq = (b) Calculate the energy stored in the capacitor.U =i parallel plate capacitor is made with square plates and has capacitance C. What would the capacitance be if the sides of the square plates were doubled in size, and a dielectric K = 2.5 was inserted between the plates? (a) 2.5 C (b) 4 C (e 5 C (d) 10 C
- There are two parallel plate capacitors. They each have plates with areas of 2.3 meters squared, and plate separations of 9 mm. The first capacitor has a dielectric with a dielectric constant of 18 and the second has a dielectric with a dielectric constant of 19. What is the capacitance of these two capacitors in parallel with each other? Give your answer in microfarads.Plz Don't use chat gpt