An alpha particle (a He nucleus, containing two protons and two neutrons and having a mass of 6.64 x 10-27 kg) traveling horizontally at 35.6 km/s enters a uniform, vertical, 1.80 T magnetic field What is the diameter of the path followed by this alpha particle? Express your answer with the appropriate units. d= Value Submit Part B Part C 4. Request Answer a- Value What is the magnitude of the acceleration of the alpha particle while it is in the magnetic field? Express your answer with the appropriate units. + Units Submit Request Answer → Units

An alpha particle (a He nucleus, containing two protons and two neutrons and having a mass of 6.64 x 10-27 kg) traveling horizontally at 35.6 km/s enters a uniform, vertical, 1.80 T magnetic field What is the diameter of the path followed by this alpha particle? Express your answer with the appropriate units. d= Value Submit Part B Part C 4. Request Answer a- Value What is the magnitude of the acceleration of the alpha particle while it is in the magnetic field? Express your answer with the appropriate units. + Units Submit Request Answer → Units

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 72AP: A particle moving downward at a speed of 6.0106 m/s enters a uniform magnetic field that is...

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An electron in a TV CRT moves with a speed of 6.0107 m/s, in a direction perpendicular to Earth's field, which has a strength of 5.0105 T. (a) What strength electric field must be applied perpendicular to the Earth’s field to make the election moves in a straight line? (b) If this is done between plates separated by 1.00 cm, what is the voltage applied? (Note that TVs are usually surrounded by a ferromagnetic material to shield against external magnetic fields and avoid the need for such a collection,)
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A superconducting wire of diameter 0.25 cm carries a current of 1000 A. What is the magnetic field just outside the wire?
A particle moving downward at a speed of 6.0106 m/s enters a uniform magnetic field that is horizontal and directed from east to west. (a) If the particle is deflected initially to the north in a circular arc, is its charge positive or negative? (b) If B = 0.25 T and the charge-to-mass ratio (q/m) of the particle is 40107 C/kg. what is ±e radius at the path? (c) What is the speed of the particle after c has moved in the field for 1.0105s ? for 2.0s?
A strip of copper is placed in a uniform magnetic field of magnitude 2.5 T. The Hall electric field is measured to be 1.5103V/m (a) What is the drift speed of the conduction electrons? (b) Assuming that n =8.01028 elections per cubic meter and that the cross-sectional area of the strip is 5.0106m2 , calculate the current in the ship, (c) What is the Hall coefficient 1/nq?
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Figure 1: CRT with coils in Helmholtz configuration. The hot cathode emits electrons which are then accelerated through potential difference Vacc. When the electrons enter the magnetic field B, which is perpendicular to their velocity, they move on a circular path with radius r. The magnetic field is due to coils in Helmholtz configuration (2 coils separated distance that equals their radius). The magnetic field due to one of the coils with radius R, at a point on the axis distance z away from the center of the coil, was found using the Biot-Savart law: HOIR?N B1 2(R2 + z2)ž