Question

The parallel plates in a capacitor, with a plate area of 6.10
cm^{2} and an air-filled separation of 4.20 mm, are charged
by a 7.20 V battery. They are then disconnected from the battery
and pulled apart (without discharge) to a separation of 7.40 mm.
Neglecting fringing, find **(a)** the potential
difference between the plates, **(b)** the initial
stored energy, **(c)** the final stored energy, and
**(d)** the work required to separate the plates.

Answer #1

The parallel plates in a capacitor, with a plate area of 6.10
cm2 and an air-filled separation of 4.50 mm, are charged
by a 8.70 V battery. They are then disconnected from the battery
and pulled apart (without discharge) to a separation of 8.80 mm.
Neglecting fringing, find (a) the potential
difference between the plates, (b) the initial
stored energy, (c) the final stored energy, and
(d) the work required to separate the plates.

The parallel plates in a capacitor, with a plate area of 6.80
cm2 and an air-filled separation of 2.90 mm, are charged
by a 5.90 V battery. They are then disconnected from the battery
and pulled apart (without discharge) to a separation of 8.90 mm.
Neglecting fringing, find (a) the potential
difference between the plates, (b) the initial
stored energy, (c) the final stored energy, and
(d) the work required to separate the plates.

A
parallel plate capacitor of area A = 30 cm2 and separation d = 5 mm
is charged by a battery of 60-V
If the air between the plates is replaced by a dielectric of
k= 4, but the battery disconnected before the dielectric
inserted,
1) Find the capacitance of the capacitor.
2) What is the charge on the capacitor?
3) What is the energy stored in the capacitor?
please explain. Thank you

A parallel-plate air-filled capacitor having area 58
cm2 and plate spacing 0.89 mm is charged to a potential
difference of 520 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.

A parallel-plate air capacitor is made by using two plates 18 cm
square, spaced 6.0 mm apart. It is connected to a 24-V battery.
(a) What is the capacitance?
________F
(b) What is the charge on each plate?
_______ C
(c) What is the electric field between the plates?
__________ V/m
(d) What is the energy stored in the capacitor?
________ J
(e) If the battery is disconnected and then the plates are pulled
apart to a separation of 12...

A parallel-plate air-filled capacitor having area 60
cm2 and plate spacing 4.0 mm is charged to a potential
difference of 450 V. Find
(a) the capacitance,__13.3 pF
(b) the magnitude of the charge on each plate,
___5.985nC
(c) the stored energy,
_____µJ
(d) the electric field between the plates, and
_112500_ V/m
(e) the energy density between the plates.
_(e) the energy density between the plates.
show all work pleas

. An air-filled parallel-plate capacitor has plates of area 2.45
cm2 separated by 1.25 mm. The capacitor is connected to
a 9.0 V battery. (a) Find the value of its capacitance. (b) What is
the charge on the capacitor? (c) What is the magnitude of the
uniform electric field between the plates?

A dielectric-filled parallel-plate capacitor has plate area A =
30.0 cm2 , plate separation d = 7.00 mm and dielectric constant k =
5.00. The capacitor is connected to a battery that creates a
constant voltage V = 10.0 V . Throughout the problem, use ϵ0 =
8.85×10−12 C2/N⋅m2 .
a. 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...

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 = 5.00 V .
Throughout the problem, use ϵ0 = 8.85×10−12
C2/N⋅m2 .
Part A- Find the energy U1 of the dielectric-filled
capacitor.
Part B- The dielectric plate is now slowly pulled out of the
capacitor, which remains connected to the battery. Find...

A dielectric-filled parallel-plate capacitor has plate area A =
25.0 cm2 , plate separation d = 7.00 mm and dielectric constant k =
5.00. 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 . Part A Find the energy U1 of the
dielectric-filled capacitor. Part B The dielectric plate is now
slowly pulled out of the capacitor, which remains connected to the
battery. Find...

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