Question
In: Physics
A student working in the physics laboratory connects a parallel-plate capacitor to a battery, so that...
A student working in the physics laboratory connects a parallel-plate capacitor to a battery, so that the potential difference between the plates is 225 V. Assume a plate separation of d = 1.27 cm and a plate area of A = 25.0 cm2. When the battery is removed, the capacitor is plunged into a container of distilled water. Assume distilled water is an insulator with a dielectric constant of 80.0.
(a) Calculate the charge on the plates (in pC) before and after the capacitor is submerged. (Enter the magnitudes.)
before Qi = ___ pC
after Qf = ___ pC
(b)
Determine the capacitance (in F) and potential difference (in V) after immersion.
Cf = ___ F
ΔVf = ___ V
(c) Determine the change in energy (in nJ) of the capacitor.
ΔU = ___ nJ
(d)
What If? Repeat parts (a) through (c) of the problem in the case that the capacitor is immersed in distilled water while still connected to the 225 V potential difference.
Calculate the charge on the plates (in pC) before and after the capacitor is submerged. (Enter the magnitudes.)
before Qi = ___ pC
after Qf = ___ pC
Determine the capacitance (in F) and potential difference (in V) after immersion.
Cf = ___ F
ΔVf = ___ V
Determine the change in energy (in nJ) of the capacitor.
ΔU = ___ nJ
Solutions
genius_generous answered 1 year agoRelated Solutions
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...
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.
True or False With the capacitor connected to
the battery, increasing d decreases Q.
True or False After being disconnected
from the battery, inserting a dielectric...
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.
1. With the capacitor connected to the battery, inserting a
dielectric with κ will increase C.
2. With the capacitor connected to the battery, decreasing...
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.
After being disconnected from the battery, inserting a
dielectric with κ will increase C.
With the capacitor connected to the battery, inserting a
dielectric with...
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 volts. Let
C be the capacitance and U the stored energy.
Select True or False for each
statement.
1. After being disconnected from the battery, decreasing
d increases C.
2. With the capacitor connected to the battery, decreasing
d increases C.
3. With the capacitor connected to the battery, decreasing
d decreases Q.
4....
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. and please
explain answers Thanks!
1) With the capacitor connected to the battery, decreasing d
increases U
2) After being disconnected from the battery, inserting...
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, increasing d
decreases Q.
After being disconnected from the battery, inserting a dielectric
with κ will increase V....
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.
After being disconnected from the battery, inserting a dielectric
with κ will increase U.
With the capacitor connected to the battery, decreasing d increases
U....
A parallel plate capacitor filled with air is connected to a battery. A dielectric material of...
A parallel plate capacitor filled with air is connected to a
battery. A dielectric material of dielectrical constant is K=4 is
added between the two plates while the capacitor remains connected
to the battery. Determine how the following five quantities are
affected by the insertion of the dielectric
a) capacitance
b) voltage across the capacitor's plates
c) charge on the plates of the capacitor
d) energy stored in the capacitor.
If a quantity changes specifiy whether it increases or decreases...
A parallel-plate air capacitor of area A=12.0cm2 and plate separation d=3.80mm is charged by a battery...
A parallel-plate air capacitor of area A=12.0cm2 and
plate separation d=3.80mm is charged by a battery to a voltage
66.0V. If a dielectric material with kappa=3.60 is inserted so that
it fills the volume between the plates (with the capacitor still
connected to the battery), how much additional charge will flow
from the battery onto the positive plate?
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