Coiling a conductor will have which of the following effects? (Select all that apply.) a. Aiding magnetic fields b. Creation of a north and south pole c. One large magnetic field d. A permanent magnet
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Step 1: Recognize that when a current flows through a coil of wire (forming a solenoid), it produces a magnetic field similar to that produced by a bar magnet. Show more…
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Part A: The magnetism of a permanent magnet results from __________. A. the magnetic moments of nuclei in the material making up the magnet B. interactions with Earth's magnetic field C. the magnetic moments of electrons in the material making up the magnet D. electric currents inside the magnet Part B: Magnetic field lines form closed loops A. Through current-carrying loops. B. Around current-carrying straight wires. C. Around and through bar magnets. D. All of the above. Part C: Compasses line up with magnetic fields. A compass will line up Compasses line up with magnetic fields. A compass will line up A. Parallel to magnetic field lines, with the south pole pointing in the direction of the field. B. Perpendicular to magnetic field lines. C. Parallel to magnetic field lines, with the north pole pointing in the direction of the field. D. Perpendicular to magnetic field lines, in a direction defined by the right-hand rule. Part D: A magnet will exert a force on A. A current-carrying wire. B. A piece of steel. C. A beam of electrons. D. All of the above.
Adi S.
A permanent magnet is produced when A) magnetic fields of large groups of individual atoms are permanently aligned. B) electrons become stuck and cease to move. C) electrical fields exchange electrons with the magnetic fields. D) current is made to circulate in a clockwise direction in a loop of wire.
Hubert A.
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