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Chap 29 Physics Prelecture
Terms in this set (11)
A bar magnet is oriented perpendicular to a uniform magnetic field as shown in (Figure 1) . Describe the force and/or torque on the magnet.
There is a net torque on the magnet in a counterclockwise direction.
Two concentric loops of wire are carrying currents in opposite directions as shown in (Figure 2) . Describe the net force and the torque on either of the current loops.
There is a net force on each loop that causes them to repel each other.
If the bar magnet is flipped over and the south pole is brought near the hanging ball, the ball will be
Attracted to the magnet.
What is the SI unit for the strength of the magnetic field?
The magnetic field of a point charge is given by
The magnetic field of a straight, current-carrying wire is
Around the wire
A long, straight wire extends into and out of the screen. The current in the wire is
Out of the screen
What is the shape of the trajectory that a charged particle follows in a uniform magnetic field?
The direction of the magnetic force on the proton is
Out of the screen
If released from rest, the current loop will
Recommended textbook explanations
Physics for the IB Diploma Coursebook
K. A. Tsokos, Mark Headlee, Peter Hoeben
Jerry S. Faughn, Serway
John R. Taylor
Introduction to Electrodynamics
David J. Griffiths
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