Induced magnetic field - Study guides, Class notes & Summaries

Electricity PREP TEST QUESTIONS WITH VERIFIED ANSWERS The size of the conductor is proportional to the amount of the current. True or False? - ANSWER True. What happens when a conductor moves relative to a magnetic field and it passes through the lines of magnetic flux? - ANSWER A voltage is induced in the conductor. What is Electro-magnetic Induction? - ANSWER As long as there is movement between a conductor and a magnetic field, an induced voltage is created. Describe what the ...

PHYS 222 EXAM 1 OPENSTAX - Q & A If you place a compass in a magnetic field, in what direction would the north end of the compass needle point? In the positive direction of the field An iron ring is magnetized by placing it near the north pole of a bar magnet. How would the magnetic field lines of the iron ring appear once it is magnetized? Vertical lines arrow in, perpendicular to the right What is the direction of the magnetic field at the poles of a bar magnet? It points inward at the South...

RADT 1085 Final Test with Correct Answers What are materials called that are strongly attracted to a magnet? - Answer-Ferromagnetic What are materials called that are NOT attracted to a magnet? - Answer-Non-magnetic What are materials called that are weakly attracted to a magnet? - Answer-Paramagnetic How are the north poles of two magnets going to affect each other? - Answer-They will repel Materials that are easily magnetized and demagnetized are said to have a high _____. ...

MRSO Exam Test Bank| Complete Questions and Answers, 100% Correct| Latest 2024 MRSO: Exam mark (Answered 100% Correctly) Which of the following describe when a non-ferrous object is repulsed by static magnetic field? a. Fourier transformation b. Lenz's force c. Ohm's law d. Larmor equation b. Lenz's force What is the FDA SAR limit for the whole body in first level controlled operating mode? a. 8 W/kg for 15 mins b. 4 W/kg for 15 mins c. 3 W/kg for 10 mins d. 7 W/kg for 20 mins...

Study Guide for MRI CAMRT Exam Questions and Answers Latest Updated Is SNR proportional or inversely proportional to voxel volume - CORRECT ANSWERProportional 3 fields used in MRI - CORRECT ANSWER--static magnetic field -TVMF (gradient field) -RF field 3 main types of magnets used - CORRECT ANSWER--Superconducting (most common_ -Resistive -Permanent FDA limits for the 3 fields in MRI - CORRECT ANSWER-Static field: 2T TVMF: 3T/s RF field: - does not cause an increase in temperatu...

Major Lights - a high intensity and reliable light exhibited from a fixed structure or marine site Primary Major Light - Established for making landfall from sea Secondary Major Light - Established at harbor entrances Minor Lights - Low to moderate intensity light used to mark a specific channel or location Two considerations for minor lights - o Care should be taken NOT to confuse minor lights with lighted buoys o Established in harbors, channels, rivers, and isolated locations Sector Li...

ENTC 402 MagneticMagnetic particle is a nondestructive testing method used for - correct answer locating surface and near surface discontinuities in steel Ferromagnetic material is - correct answer strongly attracted by a magnet The permeability of a material describes: - correct answer the ease with which it can be magnetized The retentivity of a material describes - correct answer the ability to retain the magnetic field Magnetic particles are available in different colors - c...

Is SNR proportional or inversely proportional to voxel volume - ANSWERS-Proportional 3 fields used in MRI - ANSWERS--static magnetic field -TVMF (gradient field) -RF field 3 main types of magnets used - ANSWERS--Superconducting (most common_ -Resistive -Permanent FDA limits for the 3 fields in MRI - ANSWERS-Static field: 2T TVMF: 3T/s RF field: - does not cause an increase in temperature of more than .5 deg C or any body part of 1 deg C -SAR does not exceed 1W/kg avg over 25% o...

Bakers School of Aeronautics Oral Prep What is the most important law applicable to the study of electricity? - Ohm's Law What are the elements of Ohm's Law? - Voltage, Current & Resistance What are four sources of electrical power? - Mechanical, chemical, photoelectric and thermal What does an electrical circuit consist of? - 1. a source of electrical pressure 2. resistance 3. conductors What represents capacitance in an AC circuit? - a capacitor What is the function of ...

Electricity PREP TEST QUESTIONS WITH VERIFIED ANSWERS The size of the conductor is proportional to the amount of the current. True or False? - ANSWER True. What happens when a conductor moves relative to a magnetic field and it passes through the lines of magnetic flux? - ANSWER A voltage is induced in the conductor. What is Electro-magnetic Induction? - ANSWER As long as there is movement between a conductor and a magnetic field, an induced voltage is created. Describe what the ...