Vector fields - Study guides, Class notes & Summaries

The NMV is rotated to the physical negative Z axis by applying a...? - C)180 pulse Increasing which parameter is considered the "best" technique for improving image quality? - C)NEX Studies have concluded that static magnetic fields up to what tesla produce no substantial harmful biological effects. - C)2.0 Tissues that have low (short) relaxation times have: - Higher relaxation rates Nuclei in their natural enviroment ( in the absence of a significant magnetic field) are aligned... - Ra...

MRSO Questions with 100% Correct Answers How do magnetic flux lines travel? A. North to South B. South to North C. East to West D. West to East - answerA North to South Which of the following can be potential safety concerns to a patient in the static magnetic field? A. Electrically conductive materials B. Ferrous objects C. Magnetic objects D. All of the choices. - answerD. All of the choices An object that retains its magnetic field when exiting the static magnetic field is call wh...

In MRI, substances respond to a specific radio frequency which is known as: - Resonance frequency The effects of main magnetic field inhomogeneities on the FID signal are corrected for in a Spin-echo sequence by applying a second radio-frequency pulse. The flip angle of this radio-frequency pulse is: - 180 degrees The components of the Gyro-magnetic ratio are: - Magnetic moment to angular momentum Which type of electromagnetic coils produce smaller magnetic field which allow spatial locali...

MRSO Questions with 100% Correct Answers How do magnetic flux lines travel? A. North to South B. South to North C. East to West D. West to East - answerA North to South Which of the following can be potential safety concerns to a patient in the static magnetic field? A. Electrically conductive materials B. Ferrous objects C. Magnetic objects D. All of the choices. - answerD. All of the choices An object that retains its magnetic field when exiting the static magnetic field is call wh...

CompTia IT Fundamentals Practice Exam| 200+ Questions and Verified Answers| 100 % Correct (Latest 2023/ 2024 Update) Q: An organization exports an inventory database nightly. This is an example of: A. database query. B. database report. C. database backup. D. database import. Answer: C Q: A user is having issues connecting to the Internet through a web browser; however, the user is receiving email and instant messages. Which of the following should the user do to BEST resol...

MRSO Questions with 100% Correct Answers How do magnetic flux lines travel? A. North to South B. South to North C. East to West D. West to East - answerA North to South Which of the following can be potential safety concerns to a patient in the static magnetic field? A. Electrically conductive materials B. Ferrous objects C. Magnetic objects D. All of the choices. - answerD. All of the choices An object that retains its magnetic field when exiting the static magnetic field is call wh...

The NMV is rotated to the physical negative Z axis by applying a...? - C)180 pulse Increasing which parameter is considered the "best" technique for improving image quality? - C)NEX Studies have concluded that static magnetic fields up to what tesla produce no substantial harmful biological effects. - C)2.0 Tissues that have low (short) relaxation times have: - Higher relaxation rates Nuclei in their natural enviroment ( in the absence of a significant magnetic field) are aligned... - Ra...

Active Shielding ~~> The use of a coil of wire, with an electrical current running through it, to produce an electromagnetic field opposing the static magnetic field, to reduce the fringe field. Bsub0 ~~> The unit 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 Law of Induction 2 | P a g ...

What constitutes a capacitor? - correct answer Two conductors separated by an insulator. What is the purpose of a capacitor? - correct answer It stores electrical energy in electrostatic fields. Does a capacitor in an AC circuit cause the current to lead or lag the voltage? - correct answer It causes the current to lead the voltage. What is the basic unit of capacitance? - correct answer The ferad. Why should electrolytic capacitors not be used in an AC circuit? - correct an...

The _______ number system allows digital devices to represent virtually any number simply by using 0s and 1s. (Unit 1) Binary Most graphics software uses a process called pixel _________ to create new pixels by averaging the colors of nearby pixels. (Unit 1) Interpolation Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:00 Full screen MIDI files are less compact than digital audio files. (Unit 1) False Which o...