Protons with momentum 4.8 x 10-21 kg. m/s are magnetically steered clockwise in a circular path 2.2 m in diameter.Determine the magnitude and direction of the field in the magnets surrounding the beam pipe.
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Protons with momentum 4.8 x 10-21 kg. m/s are magnetically steered clockwise in a circular path 2.2 m in diameter.
Determine the magnitude and direction of the field in the magnets surrounding the beam pipe.
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- A velocity selector uses a fixed electric field of magnitude E and the magnetic field is varied to select particles of various speeds. If the electric field strength is 8.4 x 10oª N/C, what should be the value of the magnetic field (in tesla) to select protons of velocity 4.2 x 105 m/s? Mass of proton = 1.67 x 10-27 kg. Charge of proton = 1.6 x 10-19 C.A mass spectrometer is used to examine the isotopes of uranium. Ions in the beam emerge from a velocity selector at a speed of 3.00 x 105 m/s and enter a uniform magnetic field of 0.375 T directed perpendicularly to the velocity of the ions. What is the distance between the impact points formed on the photographic plate by ions of 235U and 238U? The mass of a 235U ion is 3.902 x 10-25 kg, and the mass of a 238U ion is 3.952 x 10-25 kg, while both types have a charge of 1.602 x 10-19 C. A mass spectrometer (schematic). Charged particles are first sent through a velocity selector. They then enter a region where a magnetic field B causes positive ions to move in a semicircular path and strike a photographic film at P.The cyclotron at TRIUMF accelerates protons from a central injection point outward along an increasing spiral path. Magnets direct the protons around and around until they travel outwards far enough to leave the magnetic field. The protons reach a final speed of 1.1×108 m/s when they leave the cyclotron. Suppose inside the cyclotron there is a uniform magnetic field downwards, with strength 0.4 T. What is the magnitude of the magnetic force, in piconewtons, on the proton at the moment it leaves the cyclotron? Assume the proton is travelling eastwards when that happens. Answer in piconewtons. Also state what direction was the force on the proton the moment it left the magnetic field. Be clear and show all your work.
- An proton moving with absolute velocity v = 4*10^6 m/s throgh a magnetic field of 3 T , a magnetic force act on it by FB = 6.7*10^-13 N. a) what is the angle θ between the velocity of the proton and the field. b) calculate the total force on the proton in case we applied an electric field by E=20 N/CAn electron is launched at a speed of v at an angle of 0 north of east into a region with a uniform magnetic field. The magnitude of the magnetic field is B and the field is pointing due east. a) Find the radius of curvature of the trajectory. b) Find the pitch (the distance traveled during one revolution, perpendicular to the plane of circular motion) of the trajectory.A beam of electrons is simultaneously influenced by an homogeneous electric field of 15600 V/m and by a homogeneous magnetic field of 4.62 x 10-3 T. Assume that both fields are perpendicular to the electron beam and to each other. Both fields have to be oriented such that they produce no deflection of the electron beam. a) Draw the relative orientations of the vectors v, E, and B and also the forces of FE and FB .b) Determine the speed of the electrons such that there is no deflection of the electron beam. c) When the electric field is switched off, what is the radius and the period of the electron orbit?
- An oxygen nucleus (8 protons, 8 neutrons) moves at a velocity of 6.55 x 10^6 m/s in a direction perpendicular to a uniform magnetic field. The oxygen nucleus is observed to move in a circular path of radius 3.45 cm. What is the strength of the magnetic field? 5.54 B 3.96 B 1.58 B 3.56 BA circular current of 20.0 A is inscribed within a square current of 34.8 A in the plane of the page. What is the net magnetic field at the center of the system if both currents are in the same directon given the radius of the circle is 0.045m? Answer with a number measured in micro TeslaAn electron moves in a circular path perpendicular to a constant magnetic field with a magnitude of 4.00 mT. The angular momentum of the electron about the center of the circle is 6.00 x 10-25 1.s. (a) Determine the radius of the circular path. cm (b) Determine the speed of the electron. m/s
- In a CRT electrons are accelerated from rest by a potential difference of 1.40x10³V These electrons enter a magnetic field with a strength of 2.20x102 T Assuming the electrons are traveling perpendicular to the field what id the radius of the arc of the deflected electrons?When a proton has a velocity of (2i+8j)*10^6 m/s , it experiences a force of -1.6*10^-13k N. . In a second experiment with the same B field, the particle is moving along the + z-axis and under these new conditions it experiences a force along the + x-axis . What is the magnetic field? answer should be in (i,j,k)An electron is accelerated through 2500 V from rest and then enters a region where there is a uniform 1.60 T magnetic field. What are the maximum and minimum magnitudes of the magnetic force acting on this electron?