Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Textbook Question
Chapter 8.1, Problem 1aT
A copper wire loop is placed in a uniform magnetic field as shown. Determine whether there would be a current through the wire of the loop in each case below. Explain your answer in terms of magnetic forces exerted on the charges in the wire of the loop.
• The loop is stationary.
• The loop is moving to the right.
• The loop is moving to the left.
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Part E
In the figure, a conducting rod of length L = 31.0 cm
moves in a magnetic field B of magnitude 0.520 T
directed into the plane of the figure. The rod moves with
speed v = 5.00 m/s in the direction shown. (Figure 1)
What is the magnitude Via of the potential difference between the ends of the rod?
Express your answer in volts to at least three significant figures.
• View Available Hint(s)
V ΑΣφ
Via
V
%3D
Submit
Figure
1 of 1
Part F
What is the magnitude E of the motional emf induced in the rod?
Express your answer in volts to at least three significant figures.
View Available Hint(s)
L-
Πν ΑΣφ
V
В
E =
V
A hypothetical charge -0.13pc with a mass 72fg moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 81mt and is directed into the page. If the speed of the hypothetical charge is 61km/s:
A.) Determine the radius of the circular path.
B.) Determine the time interval required to complete one revolution.
• What are the given in the problem?
• What are the unknown variables?
• What are the equations that you are going to use?
• Solution and answer for Part A.
• Solution and answer for Part B.
V and a second that measures its radius of curvature
in a perpendicular magnetic field as shown in (Figure
1).
The ion begins at potential V and is accelerated toward
zero potential. When the particle exits the region with
the electric field it will have obtained a speed u.
Part A
With what speed u does the ion exit the acceleration region?
Figure
+ + + + + + +
Chapter 8 Solutions
Tutorials in Introductory Physics
Ch. 8.1 - A copper wire loop is placed in a uniform magnetic...Ch. 8.1 - Suppose that the loop is now placed in the...Ch. 8.1 - In each of the diagram below, the position of a...Ch. 8.1 - D. State whether you agree or disagree with each...Ch. 8.1 - The diagram at right shows a stationary, copper...Ch. 8.1 - To understand the interaction between the wire...Ch. 8.1 - A wire loop moves from a region with no magnetic...Ch. 8.1 - At two later instants, t=t1andt=t1+t the loop is...Ch. 8.2 - The resistance of loop 2 is greater than that loop...Ch. 8.2 - Suppose that loop 2 were replaced by a wooden...
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- In the figure (Figure 1) a conducting rod of length L = 32.0 cm moves in a magnetic field B of magnitude 0.460 T directed into the plane of the figure. The rod moves with speed v = 5.40 m/s in the What is the potential difference between the ends of the rod? direction shown. Express your answer in volts. ΑΣφ. V = V Submit Request Answer Part B • Part C When the charges in the rod are in equilibrium, what is the magnitude of the electric field within the rod? Express your answer in volts per meter. Πνα ΑΣφ. Figure E = V/m Submit Request Answer Part D Part E • Part F х а'х What is the potential difference across the rod if it moves parallel to ab? Express your answer in volts.arrow_forwardPart A What is the magnitude of the torque on the current loop in (Figure 1)? Figure 1 of 1 Express your answer in newton-meters. • View Available Hint(s) ΑΣφ ? 2.0 cm T = N. m 2.0 mm Wire 2.0 A Submit 0.20 Aarrow_forwardConstants 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 =arrow_forward
- Assume that I = 15 A. What is the magnetic field B at point a in (Figure 1)? Give your answer as a vector. Express your answer in teslas using two significant figures. • View Available Hint(s) Πνα ΑΣφ B = Submit Part B What is the magnetic field B at point b in (Figure 1)? Give your answer as a vector. Express your answer in teslas using two significant figures. • View Available Hint(s) Figure 1 of 1 B = у (cт) Submit 1- Long wires Part C a 0. x (cm) What is the magnetic field B at point c in (Figure 1)? Give your answer as a vector. 1 Express your answer in teslas using two significant figures. -1 > View Available Hint(s) 31arrow_forward2. A hypothetical charge q with a mass m moves in a circular path perpendicular to a uniform magnetic field with a magnitude of B and is directed into the page. If the speed of the hypothetical charge is v: A. Determine the radius of the circular path. B. Determine the time interval required to complete one revolution. Pointing System for Number 2: • What are the given in the problem? • What are the unknown variables? • What are the equations that you are going to use? • Solution and answer for Part A. Solution and answer for Part B.arrow_forwardPart A Find the direction of the magnetic field at each of the indicated points. What is the direction of the magnetic field BA at Point A? • View Available Hint(s) O BA is out of the page. O BA is into the page. O BA is neither out of nor into the page and BA +0. BA = 0. Submit Figure 1 of 1 Part B What is the direction of the magnetic field BB at Point B? O BR İS out of the page. A O BR is into the page. B BB is neither out of nor into the page and BB +0. BB = 0. Submit Request Answerarrow_forward
- 2. A hypothetical charge q with a mass m moves in a circular path perpendicular to a uniform magnetic field with a magnitude of B and is direct into the page. If the speed of the hypothetical charge is v: A. Determine the radius of the circular path. B. Determine the time interval required to complete one revolution. Pointing System for Number 2: • What are the given in the problem? • What are the unknown variables? • What are the equations that you are going to use? • Solution and answer for Part A. • Solution and answer for Part B.arrow_forwardL. Determine the magnetic field at point P shown in the diagram at the right. The wire carries a current i and has a lengthL I P•arrow_forwardILLUSTRATE AND SOLVE A hypothetical charge -0.29pC with a mass 56fg moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 65mT and is directed into the page. If the speed of the hypothetical charge is 45km/s • Determine the radius of the circular path. • Determine the time interval required to complete one revolution.arrow_forward
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