Question

An air-filled capacitor consists of two parallel plates, each
with an area of 7.60 cm^{2}, separated by a distance of
1.40 mm. If a 22.4-V potential difference is applied to these
plates, calculate the following.

(a) the electric field between the plates

magnitude | kV/m |

direction | ---Select--- from the positive plate to the negative plate from the negative plate to the positive plate |

(b) the capacitance

pF

(c) the charge on each plate

Answer #1

An air-filled capacitor consists of two parallel plates, each
with an area of 7.60 cm2, separated by a distance of
1.70 mm. A 15.0-V potential difference is applied to these
plates.
(a) Calculate the electric field between the plates.
kV/m
(b) Calculate the surface charge density.
nC/m2
(c) Calculate the capacitance.
pF
(d) Calculate the charge on each plate.
pC

An air-filled capacitor consists of two parallel plates, each
with an area of 7.6 cm2, separated by a distance of 2.20
mm.
(a) If a 18.0 V potential difference is applied to these plates,
calculate the electric field between the plates.
kV/m
(b) What is the surface charge density?
nC/m2
(c) What is the capacitance?
pF
(d) Find the charge on each plate.
pC

(part 1) An air-filled capacitor consists of two parallel
plates, each with an area of 3.95 cm2 , separated by a distance of
2.76 mm . A 17.7 V potential difference is applied to these plates.
Find the magnitude of the electric field between the plates. The
permittivity of free space is 8.8542 × 10−12 C 2 /N · m2 . Answer
in units of kV/m.
(part 2) Find the capacitance. Answer in units of pF.
(part 3) Find the...

4. An air filled capacitor consists of two parallel plates with
area 100 cm2 and separated by distance of 1.8 mm. If 20 volts
potential difference is applied between plates determine (a)
electric field between plates (b) charge on the capacitor.

. 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?

An air-filled parallel-plate capacitor has plates of area 0.47
cm2 separated by 4.1 mm. The capacitor is conected to a
12-V battery.
(a) Find the value of its capacitance
0.355 F
0.152 F
0.072 F
0.101 F
(b) What is the charge on the capacitor?
0.008 C
1.217 C
1.826 C
12.00 C
(c) What is the magnitude of the uniform electric field between
the plates?
3.42 N/C
2,926.83 N/C
1,463.41 N/C
12 N/C
(d) Find the magnitude of the charge density on each plate.
1.363 C/m2
7.382...

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

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.

5.4.2 An air-filled parallel-plate capacitor has plates of 10-3
m² that are separated by a distance of 2 mm. If the capacitor is
connected to a 50-V 1-MHz sinusoidal voltage source, calculate the
magnitude of the displacement current, neglecting fringing.

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.

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