Homework Answers
4. Shown at right is a cross-sectional view of two long, straight wires at are parallel...
4. Shown at right is a cross-sectional view of two long, straight wires at are parallel to each other, placed near point P. One wire carries a current i, into the page; the other wire is twice as far away from P and carries a current 2i, out of the page. 2i (Hint: The magnetic field from a current-carrying wire is proportional to the current through the wire and inversely proportional to the distance away from the wire.) Draw and...
MAGNETIC INTERACTIONS Shown at right is a cross-sectional view of two long straight wires that are...
MAGNETIC INTERACTIONS
Shown at right is a cross-sectional view of two long straight wires that are parallel to one another. One wire carries a current i_0 out of the page, the other carries an equal current i_0 into the page. a. Draw a vector on the diagram to show the direction of the magnetic field, if any, at point P. Explain your reasoning. b. Suppose that a third wire, carrying another current i_0 out of the page, passes through point...
1. (30) The diagram below shows two current-carrying wires. Both wires carry the same current, bat...
1. (30) The diagram below shows two current-carrying wires. Both wires carry the same current, bat in disferen directions, as indicated. (a) Draw an arrow in the direction of the magnetic field at each labeled point. (b) Rank the magnitude of the magnetic field at each point, greatest first. Briefly explain your reasoning (e) Suppose the current in the wire on the left were changed to flow out of the page. Would the magnitude of the magnetic field at each...
Shown at right is a cross-sectional view of two long straight wires that are parallel to...
Shown at right is a cross-sectional view of two long straight wires that are parallel to one another. One wire carries a current I_o, out of the page: the other carries an equal current I_o, into the page. a. Draw a vector on the diagram to show the direction of the magnetic field, if any, at a. point P. Explain your reasoning.
2. (1) An aircraft is flying directly over the North Magnetic pole with a velocity V....
2. (1) An aircraft is flying directly over the North Magnetic pole with a velocity V. The aircraft is pictured below as it would be viewed from above. What is the direction of the induced emf (voltage) on the wing? is this from P to or Q to P2. Draw the + and at the P and Qsides and explain. f ..P.. (11) A conducting loop of wire is horizontal. A bar magnet is pushed toward the loop from below,...
(20 pts) A 10cm radius wire loop sits in the x-y plane. A magnetic flux of Ba- 10e-0StT 2 exists in the region of the loop. What is the induced EMF on the loop at t-2s? In what direction does the cur...
(20 pts) A 10cm radius wire loop sits in the x-y plane. A magnetic flux of Ba- 10e-0StT 2 exists in the region of the loop. What is the induced EMF on the loop at t-2s? In what direction does the current flow in the diagram shown below at this time? Draw an arrow to indicate the direction of the induced current. 丨 // r-10cm
(20 pts) A 10cm radius wire loop sits in the x-y plane. A magnetic flux...
13. In each of the following situations current-carrying wire is placed in a magnetic field as...
13. In each of the following situations current-carrying wire is placed in a magnetic field as shown. Determine the direction of the requested quantity. (a) (1 pt) In diagram (a), the wire has a current flowing to the left and the magnetic field is represented by the circles. What is the direction of the force on the wire due to the magnetic field? No direction Value is Zero (b) (1 pt) In diagram (b), the wire has a current flowing...
5. Consider the following diagram. lo lo lo Io Front view 3-d view Four long wires are arranged in a square geometry. The two wires on the left hand side of the box are carrying a current lo out...
5. Consider the following diagram. lo lo lo Io Front view 3-d view Four long wires are arranged in a square geometry. The two wires on the left hand side of the box are carrying a current lo out of the page (the bottom left wire) and into the page (the top left wire). The side of each box has a length of A. What is the magnetic field (magnitude and direction) along the center of the box? a. b....
A thin coil has 60 circular turns of wire of radius 4 cm. The current in...
A thin coil has 60 circular turns of wire of radius 4 cm. The current in the wire is 8 amperes. (a) What is the magnetic dipole moment of this coil? (b) At a distance of 40 cm from the center of the coil, along the axis of the coil, what is the approximate magnitude of the magnetic field contributed by the coil? The coil is placed with its axis along the x axis. A bar magnet whose magnetic dipole...
Two parallel wires carry electric current in the same direction as shown in the figure to...
Two parallel wires carry electric current in the same direction as shown in the figure to the right. The current in each wire produces a magnetic field, and each wire experiences a magnetic force due to the field produced by the other wire In the region of space near wire 1, in what direction does the magnetic field produced by wire 2 point? O up O down O right O left into the screen O out of the screen In...
4. Shown at right is a cross-sectional view of two long, straight wires at are parallel to each other, placed near point P. One wire carries a current i, into the page; the other wire is twice as far away from P and carries a current 2i, out of the page. 2i (Hint: The magnetic field from a current-carrying wire is proportional to the current through the wire and inversely proportional to the distance away from the wire.) Draw and...
MAGNETIC INTERACTIONS
Shown at right is a cross-sectional view of two long straight wires that are parallel to one another. One wire carries a current i_0 out of the page, the other carries an equal current i_0 into the page. a. Draw a vector on the diagram to show the direction of the magnetic field, if any, at point P. Explain your reasoning. b. Suppose that a third wire, carrying another current i_0 out of the page, passes through point...
1. (30) The diagram below shows two current-carrying wires. Both wires carry the same current, bat in disferen directions, as indicated. (a) Draw an arrow in the direction of the magnetic field at each labeled point. (b) Rank the magnitude of the magnetic field at each point, greatest first. Briefly explain your reasoning (e) Suppose the current in the wire on the left were changed to flow out of the page. Would the magnitude of the magnetic field at each...
Shown at right is a cross-sectional view of two long straight wires that are parallel to one another. One wire carries a current I_o, out of the page: the other carries an equal current I_o, into the page. a. Draw a vector on the diagram to show the direction of the magnetic field, if any, at a. point P. Explain your reasoning.
2. (1) An aircraft is flying directly over the North Magnetic pole with a velocity V. The aircraft is pictured below as it would be viewed from above. What is the direction of the induced emf (voltage) on the wing? is this from P to or Q to P2. Draw the + and at the P and Qsides and explain. f ..P.. (11) A conducting loop of wire is horizontal. A bar magnet is pushed toward the loop from below,...
(20 pts) A 10cm radius wire loop sits in the x-y plane. A magnetic flux of Ba- 10e-0StT 2 exists in the region of the loop. What is the induced EMF on the loop at t-2s? In what direction does the current flow in the diagram shown below at this time? Draw an arrow to indicate the direction of the induced current. 丨 // r-10cm
(20 pts) A 10cm radius wire loop sits in the x-y plane. A magnetic flux...
13. In each of the following situations current-carrying wire is placed in a magnetic field as shown. Determine the direction of the requested quantity. (a) (1 pt) In diagram (a), the wire has a current flowing to the left and the magnetic field is represented by the circles. What is the direction of the force on the wire due to the magnetic field? No direction Value is Zero (b) (1 pt) In diagram (b), the wire has a current flowing...
5. Consider the following diagram. lo lo lo Io Front view 3-d view Four long wires are arranged in a square geometry. The two wires on the left hand side of the box are carrying a current lo out of the page (the bottom left wire) and into the page (the top left wire). The side of each box has a length of A. What is the magnetic field (magnitude and direction) along the center of the box? a. b....
A thin coil has 60 circular turns of wire of radius 4 cm. The current in the wire is 8 amperes. (a) What is the magnetic dipole moment of this coil? (b) At a distance of 40 cm from the center of the coil, along the axis of the coil, what is the approximate magnitude of the magnetic field contributed by the coil? The coil is placed with its axis along the x axis. A bar magnet whose magnetic dipole...
Two parallel wires carry electric current in the same direction as shown in the figure to the right. The current in each wire produces a magnetic field, and each wire experiences a magnetic force due to the field produced by the other wire In the region of space near wire 1, in what direction does the magnetic field produced by wire 2 point? O up O down O right O left into the screen O out of the screen In...
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