Question
In: Physics
A dielectric-filled parallel-plate capacitor has plate area A = 30.0 cm2 , plate separation d= 8.00...
A dielectric-filled parallel-plate capacitor has plate area A = 30.0 cm2 , plate separation d= 8.00 mm and dielectric constant k = 4.00. The capacitor is connected to a battery that creates a constant voltage V= 15.0 V . Throughout the problem, use ϵ0 = 8.85×10−12 C2/N⋅m2.
A) Find the energy U1 of the dielectric-filled capacitor.
Express your answer numerically in joules.
B) The dielectric plate is now slowly pulled out of the capacitor, which remains connected to the battery. Find the energy U2 of the capacitor at the moment when the capacitor is half-filled with the dielectric.
Express your answer numerically in joules.
C) The capacitor is now disconnected from the battery, and the dielectric plate is slowly removed the rest of the way out of the capacitor. Find the new energy of the capacitor, U3
Express your answer numerically in joules.
D) In the process of removing the remaining portion of the dielectric from the disconnected capacitor, how much work W is done by the external agent acting on the dielectric?
Express your answer numerically in joules.
Solutions
genius_generous answered 2 years agoRelated Solutions
A dielectric-filled parallel-plate capacitor has plate area A = 10.0 cm2 , plate separation d =...
A dielectric-filled parallel-plate capacitor has plate area A =
10.0 cm2 , plate separation d = 6.00 mm and dielectric constant k =
4.00. The capacitor is connected to a battery that creates a
constant voltage V = 15.0 V . Throughout the problem, use ϵ0 =
8.85×10−12 C2/N⋅m2 .
a) Find the energy U1 of the dielectric-filled capacitor.
Express your answer numerically in joules.
b) The dielectric plate is now slowly pulled out of the
capacitor, which remains connected...
A dielectric-filled parallel-plate capacitor has plate area A = 25.0 cm2 , plate separation d =...
A dielectric-filled parallel-plate capacitor has plate area A =
25.0 cm2 , plate separation d = 9.00 mm and dielectric constant k =
2.00. The capacitor is connected to a battery that creates a
constant voltage V = 12.5 V . Throughout the problem, use ϵ0 =
8.85×10−12 C2/N⋅m2 .
PART A:
U1 was found:
U1 =
3.84×10−10
J
PART B:
The dielectric plate is now slowly pulled out of the capacitor,
which remains connected to the battery. Find the...
A dielectric-filled parallel-plate capacitor has plate area AAA = 20.0 cm2cm2 , plate separation ddd =...
A dielectric-filled parallel-plate capacitor has plate area AAA
= 20.0 cm2cm2 , plate separation ddd = 5.00 mmmm and dielectric
constant kkK = 5.00. The capacitor is connected to a battery that
creates a constant voltage VVV = 12.5 VV . Throughout the problem,
use ϵ0ϵ0epsilon_0 = 8.85×10−12 C2/N⋅m2C2/N⋅m2 .
Part A
Find the energy U1U1U_1 of the dielectric-filled capacitor.
Express your answer numerically in joules.
View Available Hint(s)
U1U1U_1 =
nothing
JJ
Submit
Part B
The dielectric plate is...
An air-filled parallel-plate capacitor with plate separation d and plate area A is connected to a...
An air-filled parallel-plate capacitor with plate separation d
and plate area A is connected to a battery that applies a voltage
V0 between plates. With the battery left connected, the
plates are moved apart to a distance of 10d. Determine by what
factor each of the following quantities changes: (a) V0;
(b) C; (c) E; (d) D; (e) Q; (f )
ρS; (g) WE. Repeat the exercise for the case in
which the battery is disconnected before the plates are...
The parallel-plates in a capacitor, with a plate area 1.2×10−3 cm2 and an air-filled separation of...
The parallel-plates in a capacitor, with a plate area 1.2×10−3
cm2 and an air-filled separation of 10 mm, are charged by a 12 V
battery. They are then disconnected from the battery and pushed
together (without discharge) to a separation of 3.5 mm.
(a) Find the initial potential difference between the plates and
the initial stored energy. (6 points)
(b) Find the final potential difference between the plates and
the final stored energy. (6 points)
(c) How much work is...
The plates of an air-filled parallel-plate capacitor with a plate area of 15.0 cm2 and a...
The plates of an air-filled parallel-plate capacitor with a
plate area of 15.0 cm2 and a separation of 8.95 mm are
charged to a 170-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...
A dielectric-filled capacitor consists of two parallel plates, each with an area A = 15.0 cm2 ,...
A dielectric-filled capacitor consists of two parallel plates,
each with an area A = 15.0 cm2 , seperated by a distance
of d = 10.0 mm and dielectric constant k = 4.00. A potential
difference V= 10.0 V is applied to these
plates . Throughout the problem, use ϵ0 = 8.85×10−12
C2/N⋅m2
Part A)
Calculate the energy U1of the dielectric-filled
capacitor.(J)
Part B)
The capacitor remains connected to the battery. Calculate the
energy U2 of the capacitor at the moment when the capacitor...
A parallel plate, air filled capacitor, has plates of area 0.82 m2 and a separation of...
A parallel plate, air filled capacitor, has plates of area 0.82
m2 and a separation of 0.040 mm.
(a) Find the capacitance.
(b) If a voltage of 25 volts is applied to the capacitor, what is
the magnitude of the charge on each plate?
(c) What is the energy stored in the capacitor?
Now the plates are filled with strontium titanate having a
dielectric constant of 310 and a dielectric strength of 8.0
kV/mm.
(d) What is the new value...
A parallel plate capacitor with adjustible plate separation d and adjustible area A is connected to...
A parallel plate capacitor with adjustible plate separation d
and adjustible area A is connected to a battery. The capacitor is
fully charged to Q Coulombs and a voltage of V Volts. (C is the
capacitance and U is the stored energy.) Give all correct answers
concerning a parallel-plate capacitor charged by a battery (e.g. B,
AC, CDF).
A) After being disconnected from the battery, increasing the area A
will increase C.
B) With the capacitor connected to the battery,...
A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is...
A parallel plate capacitor with plate separation d is connected
to a battery. The capacitor is fully charged to Q Coulombs and a
voltage of V. (C is the capacitance and U is the stored energy.)
Answer the following questions regarding the capacitor charged by a
battery. For each statement below, select True or False.
With the capacitor connected to the battery, decreasing d
increases U. A: True B: False
After being disconnected from the battery, inserting a
dielectric with...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- In the article from Forbes notes that the goal of a leader is not to clone...
- Many people keep time using a 24 hour clock (11 is 11am and 23 is 11pm,...
- UNIX ONLY -- DIFFICULT LAB ASSIGNMENT This is an extremely difficult subject for me. Could you...
- Do you know why your credit card can be refused even though you are profitable?
- The Following Java expression: S/10 * 10 + 10 – S = C Show that this...
- Year Cash Flow 0 −$9,700 1 5,800 2 2,500 3 3,400 &nb
- In a two – story building, an exterior column is to be designed for a service...
ADVERTISEMENT