Atomic Spectra — Cumulative exam Answers
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Trina makes a diagram to summarize how to use the right-hand rule to determine the direction of the magnetic force on each type of charge.
A
X: Thumb, for velocityY: Fingers, for magnetic fieldZ: Palm of hand, for forceB
X: Back of hand, for forceY: Thumb, for velocityZ: Palm of hand, for forceC
X: Palm of hand, for forceY: Thumb, for velocityZ: Fingers, for magnetic fieldD
X: Palm of hand, for forceY: Fingers, for magnetic fieldZ: Back of hand, for force24
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A point charge is used to determine the electric field around a charged particle. Why is it necessary that the point charge does not affect the position of the charge being tested?
A
The amount of charge will increase if the charged particle moves closer to the point charge, so any change in position changes the field.B
The amount of charge will decrease if the charged particle moves closer to the point charge, so any change in position changes the field.C
Electric fields are inversely proportional to the square of the distance, so any change in position changes the field.D
Electric fields are directly proportional to distance, so any change in position changes the field.25
While researching magnetic fields, Marisa finds several online sites that describe a fictitious north monopole that is a magnet with only a north pole. Although it does not exist, the north monopole is used to describe magnetic field lines.
A
The field lines around a magnet point from the south pole to the north pole to show the direction opposite to the magnetic force on the monopole.B
The field lines around a magnet point from the south pole to the north pole to show the direction of the magnetic force on the monopole.C
The field lines around a magnet point from the north pole to the south pole to show the direction opposite to the magnetic force on the monopole.D
The field lines around a magnet point from the north pole to the south pole to show the direction of the magnetic force on the monopole.Did you find these answers helpful?
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