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Magnets and Magnetic Fields Solutions Library

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26 solutions

Magnets and Magnetic Fields

Q. Choose the best description of a magnetic field line.A. A magnetic field line shows the direction a positive charge would move.B. Magnetic field li...

Solved • Mar 30, 2021

Magnets and Magnetic Fields

Q. If a bar of copper is brought near a magnet, the copper bar will beA. made into an induced magnet.B. unaffected by the magnet.C. attracted by the m...

Solved • Mar 30, 2021

Magnets and Magnetic Fields

Q. The magnetic field lines inside a bar magnet go in what direction?A. from south pole to north pole B. from north pole to south pole C. from side to...

Solved • Dec 17, 2020

Magnets and Magnetic Fields

Q. In the first question, we determined the direction of the induced current in the conducting loop as the magnet was approaching it from above, south...

Solved • Dec 4, 2020

Magnets and Magnetic Fields

Q. A true difference between north and south polar areas is _________. 

Solved • Nov 2, 2020

Magnets and Magnetic Fields

Q. How does a galvanometer use a magnetic field to indicate the strength of an electric current?

Solved • Nov 2, 2020

Magnets and Magnetic Fields

Q. Do the magnetic field lines really start at the pole face?

Solved • Oct 13, 2020

Magnets and Magnetic Fields

Q. From which end (north or south) of a bar magnet do magnetic field lines emerge?

Solved • Oct 13, 2020

Magnets and Magnetic Fields

Q. Do magnetic field lines ever start or end anywhere?

Solved • Oct 13, 2020

Magnets and Magnetic Fields

Q. a) Carefully draw the magnetic field lines for the bar magnet shown below. Be sure to draw the field lines so that they include information about t...

Solved • Aug 25, 2020

Magnets and Magnetic Fields

Q. Which of the following statements are true concerning the creation of magnetic fields? Check all that apply. A. A distribution of electric charges ...

Solved • Jul 15, 2020

Magnets and Magnetic Fields

Q. Answer the questions below on the basis of your experience with charges and magnets.  Based on your experience with electric field lines: a) how sh...

Solved • Jul 14, 2020

Magnets and Magnetic Fields

Q. Which of the following best describes magnetic field lines?Select the correct answer a. They always begin at a north pole and terminate at a south ...

Solved • Jul 14, 2020

Magnets and Magnetic Fields

Q. A compass in a magnetic field will line up __________.A. with the north pole pointing perpendicular to the magnetic field.B. with the north pole po...

Solved • Jul 13, 2020

Magnets and Magnetic Fields

Q. At which point in the diagram is the magnetic field strength (a) the smallest and (b) the largest? Explain.

Solved • Jun 3, 2020

Magnets and Magnetic Fields

Q. A bar magnet is pushed toward a loop of wire, as shown in Figure Q25.16. Is there a current in the loop? If so, in which direction? If not, why not?

Solved • May 21, 2020

Magnets and Magnetic Fields

Q. Which of the following statements are true concerning the creation of magnetic fields? Check all that apply. A. A distribution of electric charges ...

Solved • May 19, 2020

Magnets and Magnetic Fields

Q. A magnet will exert a force onA. A current-carrying wire.B. A piece of steel.C. A beam of electrons.D. All of the above.

Solved • May 18, 2020

Magnets and Magnetic Fields

Q. Compasses line up with magnetic fields. A compass will line upA. Parallel to magnetic field lines, with the south pole pointing in the direction of...

Solved • May 18, 2020

Magnets and Magnetic Fields

Q. Magnetic field lines form closed loops:A. Through current-carrying loops.B. Around current-carrying straight wires.C. Around and through bar magnet...

Solved • May 18, 2020

Magnets and Magnetic Fields

Q. The magnetism of a permanent magnet results from __________.A. the magnetic moments of nuclei in the material making up the magnetB. interactions w...

Solved • May 18, 2020

Magnets and Magnetic Fields

Q. Magnetic field lines form closed loopsa) Around and through bar magnets.b) Through current-carrying loops.c) Around current-carrying straight wires...

Solved • Apr 24, 2020

Magnets and Magnetic Fields

Q. Which of the following statements are true for magnetic field lines? Check all that apply.A) Magnetic field lines are close together in regions of ...

Solved • Apr 22, 2020

Magnets and Magnetic Fields

Q. A compass in a magnetic field will line up...a) with the north pole pointing in the direction of the magnetic field. b) with the north pole pointin...

Solved • Apr 21, 2020

Magnets and Magnetic Fields

Q. Two identical magnets are placed as shown. Using different colored pens, sketch the approximate magnetic field vectors at the four labeled points f...

Solved • Apr 8, 2020

Magnets and Magnetic Fields

Q. If you were to cut a small permanent bar magnet in half, A) None of these statements is true.  B) one piece would be a magnetic north pole and th...

Solved • Jan 5, 2017