Week7Concepts.pdf - ConcepTest 27.6a Magnetic Force on a Wire I ConcepTest 27.6a Magnetic Force on a Wire I 1 left A horizontal wire carries a current B

Week7Concepts.pdf - ConcepTest 27.6a Magnetic Force on a...

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1 Page 1 ConcepTest 27.6a Magnetic Force on a Wire I A horizontal wire carries a current and is in a vertical magnetic field. What is the direction of the force on the wire? 1) left 2) right 3) zero 4) into the page 5) out of the page B I Using the right-hand rule, we see that the magnetic force must point out of the page . Since F must be perpendicular to both I and B , you should realize that F cannot be in the plane of the page at all . ConcepTest 27.6a Magnetic Force on a Wire I 1) left 2) right 3) zero 4) into the page 5) out of the page B I A horizontal wire carries a current and is in a vertical magnetic field. What is the direction of the force on the wire? B I 1) left 2) right 3) zero 4) into the page 5) out of the page ConcepTest 27.6b Magnetic Force on a Wire II A horizontal wire carries a current and is in a vertical magnetic field. What is the direction of the force on the wire? When the current is parallel to the magnetic field lines, the force on the wire is zero .
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