A beam of electrons (of charge qe and mass m) is shot into a region of uniform magnetic field with a speed of 50m/s. They exit the region of uniform magnetic field opposite the direction they had entered. How strong must the magnetic field be such that each electron stayed in the region for a total of 10 ms? m 0.314 m а. c. 314- 9. m O 639 m
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- A proton moves perpendicular to a uniform magnetic field B at a speed of 2.10 x 10' m/s and experiences an acceleration of 1.90 x 1013 m/s in the positive x-direction when its velocity is in the positive z-direction. Determine the magnitude and direction of the field. magnitude direction ---Select--- vQuestion 3 and 4true or false? parts d and e only
- An electron is introduced into a uniform magnetic field, Bx = 50.0 μTesla directed at right angles to the electron’s velocity vy = 5 x105 m/s. The electron subsequently moves in a circular path. What is the radius of the circular path? Select one: a. 2.84 cm b. 5.68 cm c. 56.8 cm d. 2.84 mWhich of the following activities would lead to the creation of magnetic fields? select as many as are correct. a.Placing an electron in an environment where it is moving at 7 m/s around a circular path b.Placing a negative ion in an environment where it has a nonzero acceleration that is constantly changing c.Placing the nucleus of an atom in an environment where it has zero acceleration and a zero velocity d.Placing a proton in an environment where it is completely at rest e.Placing the nucleus of an atom in an environment where it is moving at constant velocityA charged particle of charge 2.00 nC moves at a 30.0 degree angle to a magnetic field of strength 250,000 T. The charge feels a magnetic force of 5.00 Newton. What is the speed of the particle? A-96.km/s B-1.26 C-20.0 D-73.0 E-82.3
- Q1) Example 11.1: Page No. 498: (Practice) An alpha-particle of charge 3.2 x 10 19 C moves through a uniform magnetic field of 1.5 T. What is the maximum magnetic force on the alpha-particle when it is moving with a speed of 5.0 x 10 m/s? Q2) Problem 23: Page No. 525: (Practice) An electron moving at 4.00 x 10 m/s in a 1.25-T magnetic field experiences a magnetic force of 1.40 x 10 N. What angle does the velocity of the electron make with the magnetic field? Q3) Problem 33: Page No. 526: An alpha-particle (m-6.64x10"kg, q=3.2×101°C) travels in a circular path of radius 25 cm in a uniform magnetic field of magnitude 1.5 T. (a) What is the speed of the particle? (b) What is the kinetic energy in electron volts? (1 electron-volt = 1.602x10 9 joule) Q4) Problem 25: Page No. 525: (Practice) A cosmic-ray electron moves at 7.5x10 m/s perpendicular to Earth's magnetic field at an altitude where the ficld strength is 0.1 G. What is the radius of the circular path the electron follows? F00…02A) a proton moves at 7.50 x 10 perpendicular to a magnetic field. The field causes the proton to travel in a circular path of radiusim What is the field strength? (a) at what speed will a proton move in a circular path of the same radius as the electron (b) What would the radius be if the proton had the same momentum?An electron is introduced into a uniform magnetic field, Bx = 50.0 μTesla directed at right angles to the electron’s velocity vy = 5 x105 m/s. The electron subsequently moves in a circular path. What is the radius of the circular path? Select one: a. 2.84 cm b. 5.68 cm c. 56.8 cm d. 2.84 m
- Which of the following magnetic field line configurations is/are CORRECT? A. I B. II, III C. III, IV D. I, IV E. II, IVWhat is the magnitude of the magnetic force on a charged particle (Q = 5.0 μC) moving with a speed of 80 km/s in the positive x direction at a point where B₂ = 3.0 T? a. b. C. d. e. 2.8 N 1.6 N 1.2 N 2.0 N 0.4 NThe magnetic force experienced by a 10nC as it passes straight through a B-field of 30mT is found to be at a maximum of 25.40 nN. How fast did it move through the magnetic field a. 84.667 m/s b. 13.123 m/s c. 0.0118 m/s d. 0.076 m/s