#200A 009 wede ba silidate lliw yalqib usiq bobammose a mu Pre-Laboratory Questions 1. Consider the Helmholtz coils, which have 130 turns per coil. Suppose that their diameter is 2Rcoil 0.304 m. = yod vigque a. Calculate the resulting magnetic field per ampere of current. b. Suppose that you apply a current of 1.5 Amperes through the Helmholtz coils. Calculate the magnetic field. c. Suppose that the electrons are accelerated by a potential V = 250 Volt, and they then move in the magnetic field that you calculated in the previous step. If the electrons have the accepted value of e/m = 1.76 x 1011 [C/kg], what will be the radius of the circular orbit that they make? 2. In the experiment, you will measure r, the radius of the electron orbit, and you will compute B, for various values of the current / flowing through the Helmholtz coils. You will then make a plot, with 1/2 on the vertical axis and B² on the horizontal axis. The data points will fall mainly on a straight line of slope a. To find e/m from this plot, you will need an expression for e/m, in terms of the slope a of this graph. Your pre-lab question is to use Eq. where the expression (7.5) to find this expression. Please express it in the form e/m= loon the right-hand-side should include the slope a of the plot. (You'll need this result when you do the Analysis Questions, so it is recommended that you keep a copy of your answer, in addition to the copy you hand in for your Pre Lab.) batingam ali dod stolni A bli sengon sot jau 12 si ales ni blo odungeon pl
#200A 009 wede ba silidate lliw yalqib usiq bobammose a mu Pre-Laboratory Questions 1. Consider the Helmholtz coils, which have 130 turns per coil. Suppose that their diameter is 2Rcoil 0.304 m. = yod vigque a. Calculate the resulting magnetic field per ampere of current. b. Suppose that you apply a current of 1.5 Amperes through the Helmholtz coils. Calculate the magnetic field. c. Suppose that the electrons are accelerated by a potential V = 250 Volt, and they then move in the magnetic field that you calculated in the previous step. If the electrons have the accepted value of e/m = 1.76 x 1011 [C/kg], what will be the radius of the circular orbit that they make? 2. In the experiment, you will measure r, the radius of the electron orbit, and you will compute B, for various values of the current / flowing through the Helmholtz coils. You will then make a plot, with 1/2 on the vertical axis and B² on the horizontal axis. The data points will fall mainly on a straight line of slope a. To find e/m from this plot, you will need an expression for e/m, in terms of the slope a of this graph. Your pre-lab question is to use Eq. where the expression (7.5) to find this expression. Please express it in the form e/m= loon the right-hand-side should include the slope a of the plot. (You'll need this result when you do the Analysis Questions, so it is recommended that you keep a copy of your answer, in addition to the copy you hand in for your Pre Lab.) batingam ali dod stolni A bli sengon sot jau 12 si ales ni blo odungeon pl
Chapter11: Magnetic Forces And Fields
Section: Chapter Questions
Problem 28P: An electron in a TV CRT moves with a speed of 6.0107 m/s, in a direction perpendicular to Earth's...
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![#200A 009 wede ba silidate lliw yalqib usiq
bobammose a mu
Pre-Laboratory Questions
1. Consider the Helmholtz coils, which have 130 turns per coil. Suppose that their diameter is
2Rcoil 0.304 m.
=
yod vigque
a. Calculate the resulting magnetic field per ampere of current.
b. Suppose that you apply a current of 1.5 Amperes through the Helmholtz coils.
Calculate the magnetic field.
c. Suppose that the electrons are accelerated by a potential V = 250 Volt, and they then
move in the magnetic field that you calculated in the previous step. If the electrons
have the accepted value of e/m = 1.76 x 1011 [C/kg], what will be the radius of the
circular orbit that they make?
2. In the experiment, you will measure r, the radius of the electron orbit, and you will compute
B, for various values of the current / flowing through the Helmholtz coils. You will then
make a plot, with 1/2 on the vertical axis and B² on the horizontal axis. The data points will
fall mainly on a straight line of slope a. To find e/m from this plot, you will need an
expression for e/m, in terms of the slope a of this graph. Your pre-lab question is to use Eq.
where the expression
(7.5) to find this expression. Please express it in the form e/m=
loon the right-hand-side should include the slope a of the plot. (You'll need this result when
you do the Analysis Questions, so it is recommended that you keep a copy of your answer, in
addition to the copy you hand in for your Pre Lab.) batingam ali dod stolni
A bli sengon sot jau 12 si ales ni blo odungeon pl](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff0701141-3f7d-4701-aba6-59e50e4a076e%2F9b47bc39-2c4c-4740-828a-6c7230f0a297%2F1ak1z8m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:#200A 009 wede ba silidate lliw yalqib usiq
bobammose a mu
Pre-Laboratory Questions
1. Consider the Helmholtz coils, which have 130 turns per coil. Suppose that their diameter is
2Rcoil 0.304 m.
=
yod vigque
a. Calculate the resulting magnetic field per ampere of current.
b. Suppose that you apply a current of 1.5 Amperes through the Helmholtz coils.
Calculate the magnetic field.
c. Suppose that the electrons are accelerated by a potential V = 250 Volt, and they then
move in the magnetic field that you calculated in the previous step. If the electrons
have the accepted value of e/m = 1.76 x 1011 [C/kg], what will be the radius of the
circular orbit that they make?
2. In the experiment, you will measure r, the radius of the electron orbit, and you will compute
B, for various values of the current / flowing through the Helmholtz coils. You will then
make a plot, with 1/2 on the vertical axis and B² on the horizontal axis. The data points will
fall mainly on a straight line of slope a. To find e/m from this plot, you will need an
expression for e/m, in terms of the slope a of this graph. Your pre-lab question is to use Eq.
where the expression
(7.5) to find this expression. Please express it in the form e/m=
loon the right-hand-side should include the slope a of the plot. (You'll need this result when
you do the Analysis Questions, so it is recommended that you keep a copy of your answer, in
addition to the copy you hand in for your Pre Lab.) batingam ali dod stolni
A bli sengon sot jau 12 si ales ni blo odungeon pl
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