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Physics
»
F.
Electromagnetism
»
F.4.
Magnetic Forces and Fields
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Introduction to Magnetism
Overview
Determining whether two poles of magnets attract or repel each other using the law of magnets
Identifying the correct lines of flux (magnetic field lines) for a magnetic field
Magnetic Fields Produced by a Current-Carrying Wires
Overview
Determining how the current or distance from the wire affects the strength of a magnetic field using the proportion B α I/r
First Right-Hand Rule: Direction of Magnetic Fields and Currents
Overview
Determining the direction of the current and the magnetic field using the first right-hand rule
Magnetic Forces on Moving Charges
Overview
Solving problems involving the magnetic force on a moving charge using the equation F
_{B}
= |q|vBsinθ
Solving problems involving the radius of a charge’s circular path using the equation r = mv/qB
Magnetic Forces on Current-Carrying Wires
Overview
Solving problems involving the magnetic force on a current-carrying wire using the equation F
_{B}
= IlBsinθ
Second Right-Hand Rule: Direction of Magnetic Forces
Overview
Determining the direction of a magnetic force on a moving charge in a magnetic field using the second right-hand rule
Determining the direction of a magnetic force on a current carrying wire in a magnetic field using the second right-hand rule
Introduction to Magnetism — Determining whether two poles of magnets attract or repel each other using the law of magnets
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