agnetic Force on Charged Particles Conceptual Question For each of the situations below, a charged particle enters a region of uniform magnetic field. Determine the direction of the force on each charge due to the magnetic field. gure |||||||| < 1 of 3 > ▾ Determine the direction of the force on the charge due to the magnetic field. (Figure 1) ▸ View Available Hint(s) OP points into the page. OP points out of the page. OF points neither into nor out of the page and P +0. O P=0. Submit Part B Determine the direction of the force on the charge due to the magnetic field. (Figure 2) ▸ View Available Hint(s) OP points out of the page. OP points into the page. O Fpoints neither into nor out of the page and P +0. OF 0. Submit Part C

agnetic Force on Charged Particles Conceptual Question For each of the situations below, a charged particle enters a region of uniform magnetic field. Determine the direction of the force on each charge due to the magnetic field. gure |||||||| < 1 of 3 > ▾ Determine the direction of the force on the charge due to the magnetic field. (Figure 1) ▸ View Available Hint(s) OP points into the page. OP points out of the page. OF points neither into nor out of the page and P +0. O P=0. Submit Part B Determine the direction of the force on the charge due to the magnetic field. (Figure 2) ▸ View Available Hint(s) OP points out of the page. OP points into the page. O Fpoints neither into nor out of the page and P +0. OF 0. Submit Part C

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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The aurora is caused when electrons and protons, moving in the earth's magnetic field of ≈5.0 x 10-5 T, collide with molecules of the atmosphere and cause them to glow. Review I Constant What is the radius of the circular orbit for an electron with speed 3.0x106 m/s? Assume that the electron moves in a plane perpendicular to the magnetic field. Express your answer with the appropriate units. Telectron = Submit 0 Part B 0.03 HÅ m C Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining ? 7 What is the radius of the circular orbit for a proton with speed 7.0x104 m/s? Express your answer with the appropriate units.
QUESTION 3 Same situation as in the previous two problems this time the magnet s mass is 5.28 kg and the magnetic force pulling it to the right is 96.2 N. The length of the cord is 1.67 m, and the ceiling is 3.23 m above the floor. Suppose that you cut the cord and the magnet falls to the floor while still being pulled to the right by the force of 96.2 N. How long will it take the magnet to hit the floor? A 0.564 s B 0.846 s C 0.846 s D 0.705 s
A wire is attached loosely to two blocks as shown in the diagram below. 1. Draw magnetic field lines directed into the page of this paper and label the lines collectively as ?⃑⃑ . 2. Draw what will happen to the loose wire when the current passes through it in the direction indicated in the figure. (Clue: Even if the wire is attached loosely, it can still be pulled if a net force is applied to it. )
The coil in a loudspeaker has 40 turns and a radius of 4.2 cm. The magnetic field is perpendicular to the wires in the coil and has a magnitude of 0.36 T. Part A If the current in the coil is 260 mA, what is the total force on the coil? Express your answer to two significant figures and include appropriate units. 99 Submit μA N SWIC ? Previous Answers Request Answer * Incorrect; Try Again; 29 attempts remaining
Assume that I = 13 A. Figure y (cm) 1 0 -1 a I O b 1 8 Long wires с 2 -x (cm) 1 of 1 Part A What is the magnetic field B at point a in (Figure 1)? Give your answer as a vector. Express your answer in teslas. ► View Available Hint(s) xa B = 0.26 Submit —| ΑΣΦ Part B Xb b √x x x Previous Answers X Incorrect; Try Again; 7 attempts remaining The correct answer does not depend on: m. x ——| ΑΣΦΑ VE |X| ? ? X.10n P What is the magnetic field B at point b in (Figure 1)? Give your answer as a vector. Express your answer in teslas. ► View Available Hint(s) iT
View Policies Current Attempt in Progress A student makes a short electromagnet by winding 320 turns of wire around a wooden cylinder of diameter d = 2.0 cm. The coil is connected to a battery producing a current of 3.3 A in the wire. (a) What is the magnitude of the magnetic dipole moment of this device? (b) At what axial distance z >> d will the magnetic field have the magnitude 6.0 μT (approximately one-tenth that of Earth's magnetic field)? (a) Number (b) Number w god Units Units
Current Attempt in Progress In the figure, four long straight wires are perpendicular to the page, and their cross sections form a square of edge length a = 13.5 cm. Each wire carries 5.00 A, and the currents are out of the page in wires 1 and 4 and into the page in wires 2 and 3. In unit-vector notation, what is the net magnetic force per meter of wire length on wire 4? Number i ĴUnits
Consider the wire, which is in a region of uniform magnetic field of magnitude B=8.9T, carries a current of I=10A as shown in the figure below. If e=37cm, a=22 cm and is making an angle of 0=16 degress, determine the net force acting on the wire. Express your answer in units of N using one decimal places. 1------ y a -„Q I
I Review I Constants Part A An electron moves in the magnetic field B= 0,550 i T with a speed of 0.600 x107 m/s in the directions shown Express vector F in the form of F,, F, F2, where the x, y, and z components are in the figure. For each, what is magnetic force F on the electron? (Figure 1) separated by commas. You may want to review (Pages 815 - 820). • View Available Hint(s) For help with math skills, you may want to review: The Vector Cross Product HVα ΑΣφ F= N Figure 1 of 1 Submit Part B (a) (b) Express vector F in the form of F,, F, F2, where the x, y, and z components are separated by commas. 45 • View Available Hint(s) ? F = N
Constants An electron at point A in the figure (Figure 1) has a speed vn of 1.50x10° m/s. Part A Find the magnitude of the magnetic field that will cause the electron to follow the semicircular path from A to B. Express your answer in teslas. ]να ΑΣφ B = T Submit Request Answer Figure < 1 of 1 • Part B vo Part C Find the time required for the electron to move from A to B. Express your answer in seconds. В -10.0 cm t =
Current Attempt in Progress Figure (a) shows two wires, each carrying a current. Wire 1 consists of a circular arc of radius R = 0.023 m and two radial lengths; it carries current i₁ = 1.7 A in the direction indicated. Wire 2 is long and straight; it carries a current is that can be varied; and it is at distance R/2 from the center of the arc. The net magnetic field B due to the two currents is measured at the center of curvature of the arc. Figure (b) is a plot of the component of B in the direction perpendicular to the figure as a function of current i2. The horizontal scale is set by 125 = 2.0 A. What is the angle subtended by the arc? Number i Units R +421 (a) Z ią (A) 12
Problem 2 Magnetic force on a proton A proton having a speed of 50 x 10 m/s in a magnetic field feels a force of 80 x 10-14N toward the west when it moves vertically upward (see Fig. at the right). When moving horizontally in a northerly Moving into page (north) (west) direction, it feels zero force (see Fig. b). Determine the magnitude and direction of the magnetic field in this region. (The charge on a proton is q = +e = 16 x 10-¹C). Approach Since the proton feels no force when moving north, the field must be in a north- south direction. In order to produce a force to the west when the proton moves upward, the right-hand rule tells us that B must point toward the north. (Your thumb points west and the outstretched fingers of your right-hand point upward only when your bent fingers point north.) The magnitude of B is found using this formula, F = qvB sin 8. (up)