The diagram shows a magnet and a coil of wire that is not carrying current. According to Lenz's law, what will happen if the north pole of the magnet is moved toward the left end of the coil? N 2. A Induced current will flow in a clockwise direction (as viewed from the left end of the coil). B The left end of the coil will become a north pole. C Magnetic field lines will emerge from the right end of the coil. D A back-EMF will be induced. A 0.038-T magnetic field is directed horizontally. A 1.8-m straight wire moves in a direction 55° above horizontal. If an EMF of 0.21 V is induced in the wire, what is the wire's velocity? A 2.5 m/s B3.1 m/s C 3.7 m/s D4.6 m/s (Ctrl)
The diagram shows a magnet and a coil of wire that is not carrying current. According to Lenz's law, what will happen if the north pole of the magnet is moved toward the left end of the coil? N 2. A Induced current will flow in a clockwise direction (as viewed from the left end of the coil). B The left end of the coil will become a north pole. C Magnetic field lines will emerge from the right end of the coil. D A back-EMF will be induced. A 0.038-T magnetic field is directed horizontally. A 1.8-m straight wire moves in a direction 55° above horizontal. If an EMF of 0.21 V is induced in the wire, what is the wire's velocity? A 2.5 m/s B3.1 m/s C 3.7 m/s D4.6 m/s (Ctrl)
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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Transcribed Image Text:The diagram shows a magnet and a coil of wire that is not carrying current. According to
Lenz's law, what will happen if the north pole of the magnet is moved toward the left
end of the coil?
2.
A Induced current will flow in a clockwise direction (as viewed from the left end of the
coil).
B The left end of the coil will become a north pole.
C Magnetic field lines will emerge from the right end of the coil.
D A back-EMF will be induced.
A 0.038-T magnetic field is directed horizontally. A 1.8-m straight wire moves in a
direction 55° above horizontal. If an EMF of 0.21 V is induced in the wire, what is the
wire's velocity?
A 2.5 m/s
B3.1 m/s
C 3.7 m/s
D4.6 m/s
(Ctrl)
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