College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:1. A velocity selector has a magnetic
field of magnitude 0.15T and an
electric field of magnitude 2*104 N/C
A beam of negatively charged morons
(each with charge q=-3e ) enters the
field as shown in the figure .
(a) If the electric field in the velocity
selector is directed as indicated in the
figure, sketch the directions of the
magnetic and electrical forces acting
on each moron. (b) Indicate on the
same sketch orientation of the
magnetic field inside the velocity
selector. (c)What is the speed of the
morons that emerge undeflected from
the velocity selector?
E
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- A particle of mass m and charge q enters a magnetic field B at a speed of v and is deflected as shown. What type of charge does the particle carry? (i) (ii) What change would cause the particle to be deflected even more? SELECT ALL THAT APPLY A. Positive A. Increasing mass m B. Negative B. Increasing charge q C. Uncharged C. Increasing the magnetic field B D. Increasing the speed varrow_forward6. In the velocity selector, what should be the direction of a magnetic field so that the particle will travel upwards (in the +y direction) undeflected?arrow_forward02A) 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?arrow_forward
- Force on a Moving Charge: We observe that a moving charged particle experiences no magnetic force. From this we can definitely conclude that Group of answer choices A. either no magnetic field exists or the particle is moving perpendicular to the field. B. the particle is moving at right angles to the magnetic field. C. the particle must be moving parallel to the magnetic field. D. no magnetic field exists in that region of space. E. either no magnetic field exists or the particle is moving parallel to the field.arrow_forwardIf a charged particle initially kept at rest experiences acceleration, which of the following statements is correct? I. The electric field must not be zero. II. The magnetic field must not be zero. III. The electric field may or may not be zero. IV. The magnetic field may or may not be zero.arrow_forwardAn electric field of 1.25 kV/m and a magnetic field of 0.529 T act on a moving electron to produce no net force. If the fields are perpendicular to each other, what is the electron's speed? Number i Unitsarrow_forward
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