Part 26: The Magnetic Field Section 26-1: The Force Exerted by a Magnetic Field, and Concept Checks 26-1 and 26-2
Slide 2The course of any attractive field is determined as the heading that the north post of a compass needle indicates when the needle is adjusted in the field. Assume that the course of the attractive field were rather indicated as the heading indicated by the south shaft of a compass needle adjusted in the field. Would the right-hand manage for constrain then give the course of the attractive compel on the moving positive charge, or would a left-hand govern be required? The right-hand manage would even now work. A left-hand run would be required.
Slide 3The course of any attractive field is determined as the bearing that the north shaft of a compass needle indicates when the needle is adjusted in the field. Assume that the bearing of the attractive field were rather indicated as the heading indicated by the south shaft of a compass needle adjusted in the field. Would the right-hand lead for drive then give the bearing of the attractive compel on the moving positive charge, or would a left-hand govern be required? The right-hand run would at present work. A left-hand run would be required.
Slide 4The molecule in the figure is decidedly charged. is contrarily charged. could be contrarily or emphatically charged.
Slide 5The molecule in the figure is decidedly charged. is contrarily charged. could be contrarily or decidedly charged.
Slide 6The wonder of attraction is best comprehended regarding the presence of attractive shafts. the attractive fields related with the development of charged particles. gravitational powers amongst cores and orbital electrons. electrical liquids. None of these is right.
Slide 7The wonder of attraction is best comprehended as far as the presence of attractive posts. the attractive fields related with the development of charged particles. gravitational strengths amongst cores and orbital electrons. electrical liquids. None of these is right.
Slide 8The left chart demonstrates a decidedly accused molecule is moving of speed v in an attractive field B . Utilizing the bolts in the correct outline, what is the heading of the attractive compel on the molecule?
Slide 9The left outline demonstrates an emphatically accused molecule is moving of speed v in an attractive field B . Utilizing the bolts in the correct graph, what is the bearing of the attractive drive on the molecule?
Slide 10The left graph demonstrates a constrain F on a contrarily charged molecule moving an attractive field B . Utilizing the bolts in the correct graph, what is the heading of the speed of the molecule?
Slide 11The left chart demonstrates a compel F on a contrarily charged molecule moving an attractive field B . Utilizing the bolts in the correct graph, what is the bearing of the speed of the molecule?
Slide 12If the attractive field vector is coordinated toward the north and an emphatically charged molecule is moving toward the east, what is the course of the attractive compel on the molecule? up west south down east
Slide 13If the attractive field vector is coordinated toward the north and an emphatically charged molecule is moving toward the east, what is the course of the attractive drive on the molecule? up west south down east
Slide 14A decidedly charged molecule is moving northward in an attractive field. The attractive drive on the molecule is toward the upper east. What is the course of the attractive field? up upper east southwest down This circumstance can't exist.
Slide 15An emphatically charged molecule is moving northward in an attractive field. The attractive constrain on the molecule is toward the upper east. What is the bearing of the attractive field? up upper east southwest down This circumstance can't exist.
Slide 16The SI unit of attractive field is the tesla (T). This is proportionate to N · s/(C · m) N · C/(s · m) N · m/s 2 C/(A · s) None of these is right.
Slide 17The SI unit of attractive field is the tesla (T). This is identical to N · s/(C · m) N · C/(s · m) N · m/s 2 C/(A · s) None of these is right.
Slide 18The district of space around a moving proton contains an attractive field as it were. an electric field as it were. both an electric and an attractive field. neither an electric nor an attractive field.
Slide 19The area of space around a moving proton contains an attractive field as it were. an electric field as it were. both an electric and an attractive field. neither an electric nor an attractive field.
Slide 20The attractive compel on a charged molecule relies on upon the indication of the charge on the molecule. relies on upon the speed of the molecule. relies on upon the attractive field at the molecule's prompt position. is at right edges to both the speed and the bearing of the attractive field. is portrayed by these.
Slide 21The attractive constrain on a charged molecule relies on upon the indication of the charge on the molecule. relies on upon the speed of the molecule. relies on upon the attractive field at the molecule's immediate position. is at right edges to both the speed and the course of the attractive field. is depicted by these.
Slide 22An electron is voyaging evenly east in the attractive field of the earth close to the equator. The course of the compel on the electron is zero north south upward descending
Slide 23An electron is voyaging on a level plane east in the attractive field of the earth close to the equator. The heading of the compel on the electron is zero north south upward descending
Slide 24A present I streams in a wire that is arranged as appeared. Which of the vectors speak to the attractive field that outcomes in a most extreme compel on the wire?
Slide 25A present I streams in a wire that is situated as appeared. Which of the vectors speak to the attractive field that outcomes in a most extreme compel on the wire?
Slide 26A wire of length L conveys a present I , going from West to East, within the sight of an attractive field B indicating vertically up. The wire moves a separation d toward the south. The work done by the attractive compel on the moving charges is + ILBd - ILBd + IL 2 B/d - IL 2 B/d zero
Slide 27A wire of length L conveys a present I , going from West to East, within the sight of an attractive field B indicating vertically up. The wire moves a separation d toward the south. The work done by the attractive drive on the moving charges is + ILBd - ILBd + IL 2 B/d - IL 2 B/d zero
Slide 28Chapter 26: The Magnetic Field Section 26-2: Motion of a Point Charge in a Magnetic Field
Slide 29A molecule with charge q and mass m is moving with speed v in the + x course enters an attractive field of quality B indicating in the + y heading. The work done by the attractive compel on the molecule as it ventures one semi-circle is mqvB mv 2 qvB zero mv/qB
Slide 30A molecule with charge q and mass m is moving with speed v in the + x heading enters an attractive field of quality B indicating in the + y bearing. The work done by the attractive drive on the molecule as it ventures one semi-circle is mqvB mv 2 qvB zero mv/qB
Slide 31A decidedly accused molecule moves of speed v in the positive x heading. A uniform attractive field of greatness B exists in the negative z heading. You need to adjust the attractive constrain with an electric field so that the molecule will proceed with a straight line. The electric field ought to be in the positive x bearing. positive z heading. negative y heading. negative x course. negative z heading.
Slide 32A decidedly accused molecule moves of speed v in the positive x heading. A uniform attractive field of extent B exists in the negative z bearing. You need to adjust the attractive constrain with an electric field so that the molecule will proceed with a straight line. The electric field ought to be in the positive x heading. positive z bearing. negative y bearing. negative x bearing. negative z bearing.
Slide 33A 7 Li core with a charge of +3 e and a mass of 7 u and a proton with a charge of + e and a mass of 1 u are both moving in a plane opposite to an attractive field . The two particles have a similar force. The proportion of the sweep of shape of the way of the proton ( R p ) to that of the 7 Li core ( R Li ) is R p/R Li = 3 R p/R Li = 1/3 R p/R Li = 1/7 R p/R Li = 3/7 None of these is right.
Slide 34A 7 Li core with a charge of +3 e and a mass of 7 u and a proton with a charge of + e and a mass of 1 u are both moving in a plane opposite to an attractive field . The two particles have a similar force. The proportion of the range of arch of the way of the proton ( R p ) to that of the 7 Li core ( R Li ) is R p/R Li = 3 R p/R Li = 1/3 R p/R Li = 1/7 R p/R Li = 3/7 None of these is right.
Slide 35A doubly ionized oxygen molecule 16 O ++ is moving in an indistinguishable uniform attractive field from an alpha molecule. The speeds of both particles are at right points to the attractive field. The ways of the particles have a similar span of bend. The proportion of the vitality of the alpha molecule to that of the 16 O 2+ particle is E a/E O = 1/1 E a/E O = 1/4 E a/E O = 1/16 E a/E O = 4/1 None of these is right.
Slide 36A doubly ionized oxygen molecule 16 O ++ is moving in an indistinguishable uniform attractive field from an alpha molecule. The speeds of both particles are at right points to the attractive field. The ways of the particles have a similar range of ebb and flow. The proportion of the vitality of the alpha molecule to that of the 16 O 2+ particle is E a/E O = 1/1 E a/E O = 1/4 E a/E O = 1/16 E a/E O
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