19. -/1 points SerCP11 19.XP.010. My Notes Ask Your Teac In older television sets, a beam of electrons moves from the back of the picture tube to the screen, where it strikes a fluorescent dot that glows with a particular color when hit. Earth's magnetic field at the location of the television set is horizontal and toward the north. In which direction(s) should the set be oriented so that the beam undergoes the largest deflection? (Assume that the effect of gravity is negligible. Select all that apply.) The television set should be eastward The television set should be northward. O The television set should be westward O The television set should be southward Need Help? Readt

19. -/1 points SerCP11 19.XP.010. My Notes Ask Your Teac In older television sets, a beam of electrons moves from the back of the picture tube to the screen, where it strikes a fluorescent dot that glows with a particular color when hit. Earth's magnetic field at the location of the television set is horizontal and toward the north. In which direction(s) should the set be oriented so that the beam undergoes the largest deflection? (Assume that the effect of gravity is negligible. Select all that apply.) The television set should be eastward The television set should be northward. O The television set should be westward O The television set should be southward Need Help? Readt

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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2. An electron has a speed of 1.4 x 106 m/s. It travels through a 3.8 T magnetic field that is perpendicular to its velocity. An electric field is perpendicular to the B field and the velocity of the electron. The electron's velocity is constant. Find the magnitude of the electric field.
Pr2. A very long, straight current-carrying wire is bent at the middle two different ways, so that it takes the shapes depicted in figures a) and b). Find the direction and magnitude of the magnetic field in both cases at the center C of the semicircle (of radius R = 10 cm), if the current flowing in the wire is I = 2 A. a) b) С.
4. The loop in figure is being pushed into the 0.80 T magnetic field at 70 m/s. The resistance of the loop is 0.20 2. What are the direction and the magnitude of the current in the loop? Assume that x = 5.0 cm V • • B ● ● • ● ● • ● ● x ●
Magnetic Fields 8. Although the evidence is weak, there has been a concern in recent years over the possible health effects from the magnetic fields generated by electric transmission lines, A typical high voltage transmission line is 20 m above the ground and carries a 200 A current. Ignoring any shielding, calculate the magnetic field strength on the ground directly under such a transmission line? (hint: model the transmission line as an infinite wire)
3. An electron moving at 3.60×103 m/s in a 1.21–T magnetic field experiences a magnetic force of 2.68×10-16 N. What angle does the velocity of the electron make with the magnetic field? There are two answers. list the smaller angle first, then next the larger angle) This is not and will not be graded
Pr2. A very long, straight current-carrying wire is bent at the middle two different ways, so that it takes the shapes depicted in figures a) and b). Find the direction and magnitude of the magnetic field in both cases at the center C of the semicircle (of radius R= 10 cm), if the current flowing in the wire is I = 2 A. а) b) C.
3. Current head-on to point P: Consider the case where the current is heading straight toward the point where we want the magnetic field. What is the magnetic field at the point P shown? Hint: consider a small piece ds and think about what the Biot-Savart law tells you. Holds x f 4πr2 Think about the angle between ds and î. dB 7 D P
If 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.
18. Two very long conductors (both oriented in the same plane) are shown in the sketch below. The same magnitude of conventional current in each is represented by the red arrows. The black dot is at a position (in the same plane) equidistant between the conductors. Determine the direction of the magnetic field at the position of the black dot. A. There is no magnetic field at this position. B. The magnetic field is oriented out of the page. C. The magnetic field is oriented into the page. D. The magnetic field is oriented to the left. E. The magnetic field is oriented to the right.