In a parallel-plate capacitor, two parallel metal plates are connected to a voltage source which maintains a potential V across the plates. Positive charges collect on one side of the capacitor and negative charges on the other side, thus creating an electric field E between the plates. The magnitude of the electric field is related to the potential and the separation between the plates according to 3. In a given experiment, both a proton and a bare helium nucleus are between the plates. How does the force on the helium nucleus compare to the force on the proton? A. It is the same. B. It is twice as great. C. It is four times as great. D. There is no force on the helium. V = Ed where Vis measured in volts, E in J/m, and d in m. A charged particle placed between the plates will experience a force given in magnitude by F=qE where q is the charge of the particle in Coulombs, and F is the force in N. capacitor electric field voltage source 4. In a given experiment, all other things being held constant, what happens to the force on a proton between the plates if the separation of the plates is increased by a factor of 2? A. It decreases by a factor of 4. B. It decreases by a factor of 2. C. It stays the same. D. It increases by a factor of 2. 1. If a new battery is installed, so that the voltage between the plates is increased by a factor of 9, how is the electric field affected? A. It decreases by a factor of 9. B. It increases by a factor of 3. C. It increases by a factor of 9. D. It increases by a factor of 81. 5. Which graph best show the relationship between the potential V and the electric field E? 2. If the voltage in a given experiment is held constant, but the distance between the plates is increased by a factor of 3, how is the electric field affected? A. It decreases by a factor of 9. B. It decreases by a factor of 3. C. It stays the same. D. It increases by a factor of 3. CS Scanned with CamScanner A. E B. E C. E D. E
In a parallel-plate capacitor, two parallel metal plates are connected to a voltage source which maintains a potential V across the plates. Positive charges collect on one side of the capacitor and negative charges on the other side, thus creating an electric field E between the plates. The magnitude of the electric field is related to the potential and the separation between the plates according to 3. In a given experiment, both a proton and a bare helium nucleus are between the plates. How does the force on the helium nucleus compare to the force on the proton? A. It is the same. B. It is twice as great. C. It is four times as great. D. There is no force on the helium. V = Ed where Vis measured in volts, E in J/m, and d in m. A charged particle placed between the plates will experience a force given in magnitude by F=qE where q is the charge of the particle in Coulombs, and F is the force in N. capacitor electric field voltage source 4. In a given experiment, all other things being held constant, what happens to the force on a proton between the plates if the separation of the plates is increased by a factor of 2? A. It decreases by a factor of 4. B. It decreases by a factor of 2. C. It stays the same. D. It increases by a factor of 2. 1. If a new battery is installed, so that the voltage between the plates is increased by a factor of 9, how is the electric field affected? A. It decreases by a factor of 9. B. It increases by a factor of 3. C. It increases by a factor of 9. D. It increases by a factor of 81. 5. Which graph best show the relationship between the potential V and the electric field E? 2. If the voltage in a given experiment is held constant, but the distance between the plates is increased by a factor of 3, how is the electric field affected? A. It decreases by a factor of 9. B. It decreases by a factor of 3. C. It stays the same. D. It increases by a factor of 3. CS Scanned with CamScanner A. E B. E C. E D. E
Chapter5: Electric Charges And Fields
Section: Chapter Questions
Problem 98P: From a distance of 10 cm, a proton is projected with a speed of v=4.0106 m/s directly at a large,...
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Transcribed Image Text:In a parallel-plate capacitor, two parallel metal
plates are connected to a voltage source which
maintains a potential V across the plates. Positive
charges collect on one side of the capacitor and
negative charges on the other side, thus creating
an electric field E between the plates. The
magnitude of the electric field is related to the
potential and the separation between the plates
according to
3.
In a given experiment, both a proton and a
bare helium nucleus are between the plates.
How does the force on the helium nucleus
compare to the force on the proton?
A. It is the same.
B. It is twice as great.
C. It is four times as great.
D. There is no force on the helium.
V = Ed
where Vis measured in volts, E in J/m, and d in
m. A charged particle placed between the plates
will experience a force given in magnitude by
F=qE
where q is the charge of the particle in
Coulombs, and F is the force in N.
capacitor
electric
field
voltage
source
4. In a given experiment, all other things being
held constant, what happens to the force on
a proton between the plates if the separation
of the plates is increased by a factor of 2?
A. It decreases by a factor of 4.
B. It decreases by a factor of 2.
C. It stays the same.
D. It increases by a factor of 2.
1.
If a new battery is installed, so that the
voltage between the plates is increased by a
factor of 9, how is the electric field
affected?
A. It decreases by a factor of 9.
B. It increases by a factor of 3.
C. It increases by a factor of 9.
D. It increases by a factor of 81.
5. Which graph best show the relationship
between the potential V and the electric
field E?
2. If the voltage in a given experiment is held
constant, but the distance between the plates
is increased by a factor of 3, how is the
electric field affected?
A. It decreases by a factor of 9.
B. It decreases by a factor of 3.
C. It stays the same.
D. It increases by a factor of 3.
CS Scanned with CamScanner
A.
E
B.
E
C.
E D.
E
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