When you double the number of windings in a solenoid keeping all other parameters (radius, length and current) fixed, the magnetic field at the center of the solenoid will triple. quadruple. be reduced to half as much. double. be reduced to one-fourth as much.
When you double the number of windings in a solenoid keeping all other parameters (radius, length and current) fixed, the magnetic field at the center of the solenoid will triple. quadruple. be reduced to half as much. double. be reduced to one-fourth as much.
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Transcribed Image Text:A proton, moving west, enters a magnetic field of a certain strength. Because of this
magnetic field the proton curves upward (out of the page). What is the direction of
this magnetic field?
towards the north
towards the west
towards the east
downward
towards the south
Transcribed Image Text:When you double the number of windings in a solenoid keeping all other parameters
(radius, length and current) fixed, the magnetic field at the center of the solenoid will
triple.
quadruple.
be reduced to half as much.
double.
be reduced to one-fourth as much.
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