Homework Answers
A moving charged particle produces magnetic field and also experience force due to magnetic field.
1) Following will produce magnetic field
an ion speeding up from 1000 to 12000
A proton moving with constant velocity....
An electron moving on circle
2) Following will get deflected in magnetic field
A proton moving in circle.....
An ion slowing down...
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This problem focuses on the following two concepts: Magnetic fields are created by moving charges only....
When do magnetic fields affect charges? O A. Only when charges are moving. B. Only when...
When do magnetic fields affect charges? O A. Only when charges are moving. B. Only when charges are moving in a circle. O C. Only when charges are stationary. O D.Only when the charge's sign is opposite to the sign of the magnetic field. O E. Magnetic fields never affect charges.
True or False 1) Magnetic fields ONLY exert a force on moving charges. 2) Charges moving...
True or False 1) Magnetic fields ONLY exert a force on moving charges. 2) Charges moving with constant velocity produce electromagnetic radiation (light) 3) A stationary negative charge in a downward pointing magnetic field feels an upward pointing force from the field. 4) The double slit experiment is a demonstration of how small particles behave fundamentally differently than macroscopic (large) things.
When do magnetic fields affect charges? A. Only when charges are moving. B. Only when charges...
When do magnetic fields affect charges? A. Only when charges are moving. B. Only when charges are moving in a circle. C. Only when charges are stationary. OD. Only when the charge's sign is opposite to the sign of the magnetic field. O E. Magnetic fields never affect charges. If you have two capacitors but you want to create a single circuit using a capacitor that has less capacitance than either of the two that you have, how should you...
15. Use the right-hand rule to determine the direction of the force on the charges moving in the magnetic fields below The force is The force is sores Force is The proton will be deflected Label...
15. Use the right-hand rule to determine the direction of the force on the charges moving in the magnetic fields below The force is The force is sores Force is The proton will be deflected Label the poles of the horseshoe magnet to reflect what is happening. 6. A beam of electrons passes through a magnetic field without being deflected. What can you conclude about the orientation of the beam relative to the magnetic field? Sketch a diagram showing the...
39.2 A beta^+ particle is moving at 19 500 m s^-1 parallel to the ground and...
39.2
A beta^+ particle is moving at 19 500 m s^-1 parallel to the ground and due east through a region of space in which there is a uniform 0.05 T magnetic field. If the magnetic field lines point upwards in the vertical direction, what is the direction and magnitude of the magnetic force on the beta^+ particle? In a region of space there is a uniform magnetic field of magnitude 0.25 m T pointing vertically straight down. If an...
Problem 3. a. An electron moving at 4.00x103 m/s in a 1.25-T magnetic field experiences a...
Problem 3. a. An electron moving at 4.00x103 m/s in a 1.25-T magnetic field experiences a magnetic force of 1.40*10-16 N. What angle does the velocity of the electron make with the magnetic field? There are two answers. b. A proton moves at 7.50x107 m/s perpendicular to a magnetic field. The field causes the proton to travel in a circular path of radius 0.800 m. What is the field strength?
vi) x R A proton is moving in circle in a uniform magnetic field with a...
vi) x R A proton is moving in circle in a uniform magnetic field with a circular trajectory as shown. Draw the velocity vector for the proton on the diagram. (vii) The Northern Lights caused by (A) Magnetic lightning at the North Pole TBL Meteorites heating up in the Earth's magnetic field TQOscillating magnetic particles colliding with electrons (D)Charged particles moving parallel the Earth's magnetic field TESanta using LED's in his factory. ( Charged particles spiraling in the Earth's magnetic...
Problem 3) An electron moving in a circle at a constant speed v has coordinates a(t) a cosut and ...
Problem 3) An electron moving in a circle at a constant speed v has coordinates a(t) a cosut and y(t)- a sin ut, where a= 1 m. and u-wa=0.77c. The field point is located on the x-axis at position r=(2a,0,0). Take the speed of light to be c 3x 108 m/s. a) what are the coordinates of the electron at time t = 6.8 ns? b) If the time in part (a) represents the retarded time tr, what is the...
2. (i) The governing equation of motion for a single electron of mass m and charge -e moving with velocity y in uniform time-independent magnetic and electric fields is given by mayx B where B- (B, 0...
2. (i) The governing equation of motion for a single electron of mass m and charge -e moving with velocity y in uniform time-independent magnetic and electric fields is given by mayx B where B- (B, 0,0) di dr (a) Suppose the electron initially moves with velocity y (0,vo 0) in an electric field parallel to the magnetic field E-E-(E,00) By taking vf)-v +vi, where y i0, obtain v, and show that the speed vis constant. Describe (in words) the...
Electric Fields Equipment and Setup: Mathematica file- ElectricFields.nb Section A: Electric Fields Due to Two Charges...
Electric Fields Equipment and Setup: Mathematica file- ElectricFields.nb Section A: Electric Fields Due to Two Charges Computer Setup for Section A 1. The first interactive panel shows electric fields due to two point charges, Qat (-1 m,0) and Q, at (1 m,0). The controls for this panel are at the top on the left 2. The top line has two checkboxes: one to Show Axes and the other to Show Field Lines. The top line also has a slider labeled...
When do magnetic fields affect charges? O A. Only when charges are moving. B. Only when charges are moving in a circle. O C. Only when charges are stationary. O D.Only when the charge's sign is opposite to the sign of the magnetic field. O E. Magnetic fields never affect charges.
When do magnetic fields affect charges? A. Only when charges are moving. B. Only when charges are moving in a circle. C. Only when charges are stationary. OD. Only when the charge's sign is opposite to the sign of the magnetic field. O E. Magnetic fields never affect charges. If you have two capacitors but you want to create a single circuit using a capacitor that has less capacitance than either of the two that you have, how should you...
15. Use the right-hand rule to determine the direction of the force on the charges moving in the magnetic fields below The force is The force is sores Force is The proton will be deflected Label the poles of the horseshoe magnet to reflect what is happening. 6. A beam of electrons passes through a magnetic field without being deflected. What can you conclude about the orientation of the beam relative to the magnetic field? Sketch a diagram showing the...
39.2
A beta^+ particle is moving at 19 500 m s^-1 parallel to the ground and due east through a region of space in which there is a uniform 0.05 T magnetic field. If the magnetic field lines point upwards in the vertical direction, what is the direction and magnitude of the magnetic force on the beta^+ particle? In a region of space there is a uniform magnetic field of magnitude 0.25 m T pointing vertically straight down. If an...
Problem 3. a. An electron moving at 4.00x103 m/s in a 1.25-T magnetic field experiences a magnetic force of 1.40*10-16 N. What angle does the velocity of the electron make with the magnetic field? There are two answers. b. A proton moves at 7.50x107 m/s perpendicular to a magnetic field. The field causes the proton to travel in a circular path of radius 0.800 m. What is the field strength?
vi) x R A proton is moving in circle in a uniform magnetic field with a circular trajectory as shown. Draw the velocity vector for the proton on the diagram. (vii) The Northern Lights caused by (A) Magnetic lightning at the North Pole TBL Meteorites heating up in the Earth's magnetic field TQOscillating magnetic particles colliding with electrons (D)Charged particles moving parallel the Earth's magnetic field TESanta using LED's in his factory. ( Charged particles spiraling in the Earth's magnetic...
Problem 3) An electron moving in a circle at a constant speed v has coordinates a(t) a cosut and y(t)- a sin ut, where a= 1 m. and u-wa=0.77c. The field point is located on the x-axis at position r=(2a,0,0). Take the speed of light to be c 3x 108 m/s. a) what are the coordinates of the electron at time t = 6.8 ns? b) If the time in part (a) represents the retarded time tr, what is the...
2. (i) The governing equation of motion for a single electron of mass m and charge -e moving with velocity y in uniform time-independent magnetic and electric fields is given by mayx B where B- (B, 0,0) di dr (a) Suppose the electron initially moves with velocity y (0,vo 0) in an electric field parallel to the magnetic field E-E-(E,00) By taking vf)-v +vi, where y i0, obtain v, and show that the speed vis constant. Describe (in words) the...
Electric Fields Equipment and Setup: Mathematica file- ElectricFields.nb Section A: Electric Fields Due to Two Charges Computer Setup for Section A 1. The first interactive panel shows electric fields due to two point charges, Qat (-1 m,0) and Q, at (1 m,0). The controls for this panel are at the top on the left 2. The top line has two checkboxes: one to Show Axes and the other to Show Field Lines. The top line also has a slider labeled...
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