MCAT Review Physics I Lesson 11: Capacitors and Magnetism Test Questions and Answers Scored A
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Module
MCAT
Institution
MCAT
Coulomb's law, electrical potential, electrical potential energy, and electrical field:
Equation Mnemonic - ANSWER-
Magnetic fields - ANSWER-Created by magnets and moving charges
any moving charge, whether a single electron traveling through space or a current through a conductive material...
MCAT Review Physics I Lesson 11: Capacitors
and Magnetism Test Questions and Answers
Scored A
Coulomb's law, electrical potential, electrical potential energy, and electrical field:
Equation Mnemonic - ANSWER-
Magnetic fields - ANSWER-Created by magnets and moving charges
any moving charge, whether a single electron traveling through space or a current
through a conductive material, creates a magnetic field
Tesla, T (1 T = 1000 gauss)
Diamagnetic materials - ANSWER-Posses no unpaired electrons and are slightly
repelled by a magnet.
Paramagnetic materials - ANSWER-Posses some unpaired elections and become
weakly magnetic in the external magnetic field
Ferromagnetic materials - ANSWER-Posses some unpaired electrons and becomes
strongly magnetic in an external electric field.
Consist of: Co, Ni, Fe
Ferromagnetic materials Mnemonic - ANSWER-
Magnetic field lines - ANSWER-Magnets have north and south pole:
1) Field lines point from the north to the south end
Magnetic field from a straight wire - ANSWER-u is the permeability of free space (4pi x
10^-7 Tm/A)
gives magnetic field perpendicular from the rod
Magnetic field from a loop on a wire - ANSWER-gives the magnitude of the magnetic
field in the center of the circular loop
Describe the magnetic field created by current carrying wires - ANSWER-Create a
magnetic field around the wire that are in concentric circles.
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