A certain capacitor has a capacitance of 4μF when its plates are separated by 0.2 mm of vacant space. A battery is used to charge the plate to a potential difference of 500 V and is then disconnected from the system. (a) What will be the potential differnce across the plates if a sheet of mica 0.2 mm thick is inserted between the plates? (b) What will the capacitance be after the dielectric is inserted? (c) What is he permittivity of mica?

A certain capacitor has a capacitance of 4μF when its plates are separated by 0.2 mm of vacant space. A battery is used to charge the plate to a potential difference of 500 V and is then disconnected from the system. (a) What will be the potential differnce across the plates if a sheet of mica 0.2 mm thick is inserted between the plates? (b) What will the capacitance be after the dielectric is inserted? (c) What is he permittivity of mica?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter8: Capacitance

Section: Chapter Questions

Problem 70AP: A parallel-plate capacitor with capacitance 5.0F is charged with a 12.0-V battery, after which the...

See similar textbooks

Similar questions

Check Your Understanding What is the potential energy of Q relative to the zero reference at infinity at r2 in the above example?
Check Your Understanding How would the strategy change to calculate the at a point a distance z above of the finite line segment?
Since the potential of a perfect conducting sphere with a radius of 3.5 cm in empty space is 10 V, calculate the value of the potentials at a distance of 13.3 cm from the center of the sphere as Volts in ke.
A certain parallel-plate capacitor consists of two plates, each with area 200 cm2, separated by a 0.4cm air gap. a) Compute its capacitance. b) If the capacitor is connected across a 500 V source, find thecharge on it, the energy stored in it, and the value of E (electric field) between the plates. c) If a liquidwith K=2.60 is poured between the plates so as to fill the air gap, how much additional charge will flowonto the capacitor from the 500 V source?
Compute for the absolute potential for every of the following distances from a charge of 2 μC: whenr = 100 mm and r = 500 mm. How much work is needed to carry a 0.05 μC charge from the point at r =100 mm to that at r = 100 mm?
An electron gun consists of two parallel plates separated by a distanceof 1.00 cm. If an electron is injected close to the negative plate with aninitial velocity of 0, what does the potential difference need to be betweenthe plates to accelerate the electron to 3x107 m/s by the time it reaches theother plate?
What is the absolute potential at each of the following distances of 2.0 μC: r = 10 cm and r = 50 cm?
A spherical capacitor contains a charge of 3.30 nC whenconnected to a potential difference of 220 V. If its plates are separatedby vacuum and the inner radius of the outer shell is 4.00 cm, calculate: the capacitance
An electric line with a charge of 6 micro C goes from point y to point Z with anelectric potential of 110 V. EPE changes by 0.0224 J during the procedure. What is pointz's electric potential?
What is the electric potential 12.0 m from a point charge of 0.40 C, assuming thatthe potential is zero at r = ∞?
Assuming the dielectric of each capacitor is air and the network is connected to Vab = 30V supply, calculate thefollowing:a. The equivalent capacitance between a and b
it says the answer is 14m/s=v on the computer but i cant get this answer, solution steps would be apperciated.