(3ỉ + 83) × 106 m/s, it experiences a force F = -2.7 × 10-13 k N. When a proton has a velocity v = In a second experiment with the same B field, the particle is moving along the +zaxis, and under these new conditions it experiences a force along the +x axis. What is the magnetic field? i+ j+ k)T
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- An electron moves up at a velocity of 9.8 x 104 m/s and has a magnetic force of 5.6 x 10-18 N pointed to the right. (me = 9.11 x 10-31 kg) a) What is the direction of the magnetic field? b) What is the strength of the magnetic field? c) What is the radius of the circle the electron makes?Particle Detector: A 2.05 mA beam of charged particles passes through a velocity selector that is 2.88 m long. Only molecules with a particular speed leave the velocity selector and enter the detecting region. X X velocity selector X X XXXX |xxX XXXXXXX XX X X X incoming particles X X X X X B X X X E uniform field (a) The magnetic field in the velocity selector has a strength of 0.98 T and the strength of the electric field is 1350 V/m. What is the speed of the particles that pass through the velocity selector? (b) The magnetic field in the detecting region has a strength of 0.08 T. Many particles strike the screen 40.4 mm above the entry point. What is the charge-to-mass ratio (q/ m) of these particles? detecting plateFind the direction of the magnetic field acting on a positively charged particle moving in the various situations shown if the direction of the magnetic force acting on it is as indicated.
- 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 charged particle with a charge to mass ratio of 5.7E8 C/kg travels on a circular path that is perpendicular to a magnetic field whose magnitude is 0.84 T. How much time does it take for the particle to complete one revolution?At what distance (in mm) from a long, straight wire carrying a current of 20 A will the magnitude of the magnetic field be 1.9 mT?
- A charged particle moves into a region of uniform magnetic field, goes through half a circle, and then exits that region. The particle is either a proton or an electron (you must decide which). It spends 130 ns in the region. What is the magnitude of B? Give your answer in T. (mproton=1.672x1027 kg, melectron-9.1lx10-3! kg, e-1.602x10-19 C) OBA charge q = -0.35 µC has a velocity of 2500000 m/s at 45° to the +x axis in the xz plane, with a positive x and z component. There is a magnetic field of magnitude 0.06 T. a) If B is along the +zaxis, what is the force on the charge? N along the +y axis b) If the force on the charge is 2 x 10-3N along +yaxis, what is the direction of B? degrees from the +zaxis in the xz plane.A 3.0 cm section of a horizontal wire carrying a 6.7 A current from east to west is place in a north to south 0.42 T magnetic field in the lab. In what direction is the magnetic force on the 3.0 cm section? north south up down southwest
- A charged particle moves through a velocity selector at constant velocity. The velocity selector is configured with "crossed" electric and magnetic fields of magnitude E = 1.50 x 104 N/C and B = 0.4 T. %3D Hint a. What is the velocity of the charged particle? Velocity of the charged particle is x 104 m/s. b. When the electric field is turned off, the charged particle travels in a circular path of radius 6 mm, as it travels through the magnetic field (still at B = 0.4 T). What is the mass-to-charge ratio of the particle? Hint for (b) Mass-to-charge ratio of the part is kg/C. (Use the "E" notation to enter your answer in scientific notation. For example, to enter 3.14 × 10´ 12".) - 12 enter "3.14E-Q1: (a) A 0.750 m long section of cable carrying current to a car starter motor makes an angle of 60° with the Earth's magnetic field 5.50 x 10T. What is the current when the wire experiences a force of 7.00 x 103 N? (b) If you run the wire between the poles of a strong horseshoe magnet, subjecting 5.00 cm of it to a 1.75 T magnetic field, what force is exerted on this segment of wire?A straight, horizontal segment of wire carries a current in the +x^+x^-direction in a magnetic field that is directed in the −z^−z^-direction. a) The magnetic force on the wire is directed in the b) If the wire is 1.0 m long and carries a current of 5.0 A and the magnitude of the magnetic field is 0.30 T, what is the magnitude of the force on the wire?