2025 Exam Complete Questions And Correct
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Active Shielding
A coil of wire with an electrical current running
through it produces an electromagnetic field
opposing the static magnetic field to reduce the
fringe field.
Bsub0
The unit is used to describe the static magnetic
field.
Deflection
,The amount of attraction an object has to the static
magnetic field.
Diamagnetism
A weakly repulsive force when placed in a strong
static magnetic field.
Faradays, the Law of Induction
This describes how electrical currents are produced
in alternating magnetic fields.
Ferromagnetism
An object with a strong, attractive force in a strong
static magnetic field retains a magnetic field even
when leaving the strong static magnetic field.
,Flux Lines
The gradient of magnetic densities that move from
the north pole of the static magnetic field to the
south pole.
Fringe Field
The magnetic field extends outside the MR unit.
Gauss
A magnetic field unit of measurement.
Horizontal Static Magnetic Field
A magnetic field vector that is horizontal.
, Lenz's Force
The process of non-ferrous objects producing a
magnetic field when moved through a strong static
magnetic field.
Magnetic Field Strength
The overall magnetic field strength of the MR unit.
Magnetic Moment
Each hydrogen proton produces a particular
magnetic field.
Magnetohydrodynamic Effect