The path of the electron beam in a Sargent-Welch apparatus when measuring the charge to mass...
The path of the electron beam in a Sargent-Welch apparatus when measuring the charge to mass ratio of the electron is along a helix whose pitch depends on the filament current. Why? Does this pitch affect the measurement of the e/m ratio?
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The path of the electron beam in a Sargent-Welch apparatus when
measuring the charge to mass...
By what factor does the radius of the electron beam path (r) change if the current...
By what factor does the radius of the electron beam path (r) change if the current through the Helmholtz coil (I) is doubled? Hint: Use e/m = 2V (5/4)3 a2/(N 4o Ir)2. the radius of the electron beam path increases by a factor of 2 the radius of the electron beam path increases by a factor of 4 the radius of the electron beam path decreases by a factor of the radius of the electron beam path decreases by a...
PHY 132: Charge to Mass Ratio of the Electron PHY 132: Charge to Mass Ratio of...
PHY 132: Charge to Mass Ratio of the Electron PHY 132: Charge to Mass Ratio of the Electron Constant Voltage If we rearrange Equation 1, we get the following: B - (m/e) x 2v}"2 x (1/r) Set the voltage to 200 V. Set the current so that the path diameter is 5.0 cm. Increase the path diameter in steps of 0.5 cm (by adjusting the current) until it is equal to 8.0 cm. Fill in the values of the current...
Finding the charge to mass (e/m) ratio of the electron Often in physics, we look for ways to find fundamental physical...
Finding the charge to mass (e/m) ratio of the electron Often in physics, we look for ways to find fundamental physical constants. From the set-up demonstrated in class, we are able to find a monumental combination of two physical constants-the charge of an electron (e) and the mass of an electron (m). Since the charge of an electron (e) is well known through other experiments, we will use the ratio of charge to mass to find the mass of an...
Finding the charge to mass (e/m) ratio of the electron Often in physics, we look for ways to find fundamental physical...
Finding the charge to mass (e/m) ratio of the electron Often in physics, we look for ways to find fundamental physical constants. From the set-up demonstrated in class, we are able to find a monumental combination of two physical constants-the charge of an electron (e) and the mass of an electron (m). Since the charge of an electron (e) is well known through other experiments, we will use the ratio of charge to mass to find the mass of an...
What do the positive helium ions do for the e / m apparatus? Choose the most...
What do the positive helium ions do for the e / m apparatus? Choose the most complete, best answer. They help focus the electron beam and they emit photons which allow the beam to be seen. They help focus the electron beam. They emit photons which allow the beam to be seen. They get hot and glow. They are there so that the bulb does not implod They are there only when the electrons are not orbiting, otherwise, they move...
need ans for the following questions, the last 3 pages for more info. Questions: more info:...
need ans for the following questions, the last 3 pages for more
info.
Questions:
more info:
expermint e/m avr=1.71033*10^11
7 2 points of the following options, which conditions for V or I produce the largest radius of the electron beam path r? Hint: Use e/m= 2V (5/4)*aP/(Nuo Ir) Maximum land Maximum V O Maximum land Minimum V Minimum I and Maximum V Minimum I and Minimum V 8 2 points By what factor will change if the radius of the...
A uniform magnetic field, B=?20mT acts on a -5.0nC charge with mass 1.0g travelling with velocity...
A uniform magnetic field, B=?20mT
acts on a -5.0nC charge with mass 1.0g travelling with velocity
v=(-2,2,1)m/s
a) What is the component of the velocity in the direction
parallel to the magnetic field?
b) What is the component of the velocity perpendicular to the
magnetic field?
c) Calculate the radius r of the trajectory.
d) The electron will travel in a spiral (also called a helix).
Why? What is the direction of axis of the spiral? How far along the...
need help with question 3-4 3. Based on your observation of the electron beam, what characteristic...
need help with question 3-4
3. Based on your observation of the electron beam, what characteristic of the beam assures us that the electrons all have the same mass? Note: This characteristic forms the basis for a mass spectrometer. 4. Explain on the basis of their own created magnetic fields why a group of electrons all moving in the same direction stays together Further Investigation 1. 12 points) Locate the controls and connections for lower voltage power supply (0 -...
An electron (charge (e) = 1.6 x 10-19 C, mass (me = 9.1 x 10-31 kg)...
An electron (charge (e) = 1.6 x 10-19 C, mass (me = 9.1 x 10-31 kg) that trapped inside a magnetic field observed m oving at 3 x 104 m/s speed along a circular path perpendicular to the magnetic field. The magnitude of the magnet ic field is 1.4 T. Х Х X X X Х X x x X Х X v=3 X 10 m/s X X X X 1 Х X X X X X X X x...
3. (a) Show that when a particle with mass m and charge q enters a magnetic...
3. (a) Show that when a particle with mass m and charge q enters a magnetic field having its velocity v perpendicular to the direction of the magnetic field B, it will perform a mv circular path of radius R- qB (b) Using the previous result find an expression for the period T of the circular motion. (c) A charged particle moves into a region of uniform magnetic field, goes through half a circle and then exits that region, as...
By what factor does the radius of the electron beam path (r) change if the current through the Helmholtz coil (I) is doubled? Hint: Use e/m = 2V (5/4)3 a2/(N 4o Ir)2. the radius of the electron beam path increases by a factor of 2 the radius of the electron beam path increases by a factor of 4 the radius of the electron beam path decreases by a factor of the radius of the electron beam path decreases by a...
PHY 132: Charge to Mass Ratio of the Electron PHY 132: Charge to Mass Ratio of the Electron Constant Voltage If we rearrange Equation 1, we get the following: B - (m/e) x 2v}"2 x (1/r) Set the voltage to 200 V. Set the current so that the path diameter is 5.0 cm. Increase the path diameter in steps of 0.5 cm (by adjusting the current) until it is equal to 8.0 cm. Fill in the values of the current...
Finding the charge to mass (e/m) ratio of the electron Often in physics, we look for ways to find fundamental physical constants. From the set-up demonstrated in class, we are able to find a monumental combination of two physical constants-the charge of an electron (e) and the mass of an electron (m). Since the charge of an electron (e) is well known through other experiments, we will use the ratio of charge to mass to find the mass of an...
Finding the charge to mass (e/m) ratio of the electron Often in physics, we look for ways to find fundamental physical constants. From the set-up demonstrated in class, we are able to find a monumental combination of two physical constants-the charge of an electron (e) and the mass of an electron (m). Since the charge of an electron (e) is well known through other experiments, we will use the ratio of charge to mass to find the mass of an...
need ans for the following questions, the last 3 pages for more
info.
Questions:
more info:
expermint e/m avr=1.71033*10^11
7 2 points of the following options, which conditions for V or I produce the largest radius of the electron beam path r? Hint: Use e/m= 2V (5/4)*aP/(Nuo Ir) Maximum land Maximum V O Maximum land Minimum V Minimum I and Maximum V Minimum I and Minimum V 8 2 points By what factor will change if the radius of the...
A uniform magnetic field, B=?20mT
acts on a -5.0nC charge with mass 1.0g travelling with velocity
v=(-2,2,1)m/s
a) What is the component of the velocity in the direction
parallel to the magnetic field?
b) What is the component of the velocity perpendicular to the
magnetic field?
c) Calculate the radius r of the trajectory.
d) The electron will travel in a spiral (also called a helix).
Why? What is the direction of axis of the spiral? How far along the...
need help with question 3-4
3. Based on your observation of the electron beam, what characteristic of the beam assures us that the electrons all have the same mass? Note: This characteristic forms the basis for a mass spectrometer. 4. Explain on the basis of their own created magnetic fields why a group of electrons all moving in the same direction stays together Further Investigation 1. 12 points) Locate the controls and connections for lower voltage power supply (0 -...
An electron (charge (e) = 1.6 x 10-19 C, mass (me = 9.1 x 10-31 kg) that trapped inside a magnetic field observed m oving at 3 x 104 m/s speed along a circular path perpendicular to the magnetic field. The magnitude of the magnet ic field is 1.4 T. Х Х X X X Х X x x X Х X v=3 X 10 m/s X X X X 1 Х X X X X X X X x...
3. (a) Show that when a particle with mass m and charge q enters a magnetic field having its velocity v perpendicular to the direction of the magnetic field B, it will perform a mv circular path of radius R- qB (b) Using the previous result find an expression for the period T of the circular motion. (c) A charged particle moves into a region of uniform magnetic field, goes through half a circle and then exits that region, as...
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