(15)A conducting plate has charge density of 1.77x10°C/m². What is the electric field produced by this charge (in N/C)? A)200 B) 0.005 C) 100 D) 400 E) 0.1 (16) A parallel plate capacitor has area of 0.5m² and the separation between the plates is 0.002m. What is the capacitance of the capacitor (in nF, n=10³)? A)0.45 B) 2.2 C) 8.85 E) 3.54 D)4.425

(15)A conducting plate has charge density of 1.77x10°C/m². What is the electric field produced by this charge (in N/C)? A)200 B) 0.005 C) 100 D) 400 E) 0.1 (16) A parallel plate capacitor has area of 0.5m² and the separation between the plates is 0.002m. What is the capacitance of the capacitor (in nF, n=10³)? A)0.45 B) 2.2 C) 8.85 E) 3.54 D)4.425

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter8: Capacitance

Section: Chapter Questions

Problem 8.1CYU: Check Your Understanding The capacitance of a parallel-plate capacitor is 2.0 pF. If the area of...

See similar textbooks

Similar questions

Find the capacitance of a parallel-plate capacitor having plates with a surface area of 5.00 m2 and separated by 0.100 mm of Teflon™.
A constant electric field accelerates a proton from rest through a distance of 2.00 m to a speed of 1.50 105 m/s. (a) Find the change in the protons kinetic energy. (b) Find the change in the systems electric potential energy. (c) Calculate the magnitude of the electric field.
When a potential difference of 150. V is applied to the plates of an air-filled parallel-plate capacitor, the plates carry a surface charge density of 3.00 1010 C/cm2. What is the spacing between the plates?
A 60.0-pF vacuum capacitor has a plate area of 0.010 m2. What is the separation between its plates?
Check Your Understanding The capacitance of a parallel-plate capacitor is 2.0 pF. If the area of each plate is 2.4 cm2, what is the plate separation?
Find the ratio of speeds of an electron and a negative hydrogen ion (one having an extra electron) accelerated through the same voltage, assuming non-relativistic final speeds. Take the mass of the hydrogen ion to be 1.6710-27 kg.
A proton is located at the origin, and a second proton is located on the x-axis at x = 6.00 fm (1 fm = 10-15 m). (a) Calculate the electric potential energy associated with this configuration. (b) An alpha particle (charge = 2e, mass = 6.64 1027 kg) is now placed at (x, y) = (3.00, 3.00) fm. Calculate the electric potential energy associated with this configuration. (c) Starting with the three-particle system, find the change in electric potential energy if the alpha particle is allowed to escape to infinity while the two protons remain fixed in place. (Throughout, neglect any radiation effects.) (d) Use conservation of energy to calculate the speed of the alpha particle at infinity. (e) If the two protons are released from rest and the alpha panicle remains fixed, calculate the speed of the protons at infinity.
A proton is fired from very far away directly at a fixed particle with charge q = 1.28 1018 C. If the initial speed of the proton is 2.4 105 m/s, what is its distance of closest approach to the fixed particle? The mass of a proton is 1.67 1027 kg.
A constant electric field accelerates a proton from rest through a distance of 2.00 m to a speed of 1.50 105 m/s. (a) Find the change in the protons kinetic energy. (b) Find the change in the systems electric potential energy. (c) Calculate the magnitude of the electric field.
According to UE=12C(V)2 (Eq. 27.3), a greater capacitance means more energy is stored by the capacitor, but according to UE = Q2/2C (Eq. 27.2), a greater capacitance means less energy is stored. How can both of these equations be correct?
If the electric field at a point on the line between two charges is zero, what do you know about the charges?
A parallel-plate capacitor has square plates that are 8.00 cm on each side and 3.80 mm apart. The space between the plates is completely filled with two square slabs of dielectric, each 8.00 cm on a side and 1.90 mm thick. One slab is Pyrex glass and the other slab is polystyrene. If the potential difference between the plates is 86.0 V, find how much electrical energy can be stored in this capacitor.