Permanent magnet - Study guides, Class notes & Summaries

TSA TECH BOWL - THE COMPLETE SERIES Correctly Answered 2024 Update What is the range over which a picture is focused? - Answer -Depth of Field What is the unit of electrical power? - Answer -Watt What is a terminal device which permits current to flow in only one direction? - Answer -Diode What is a charge in motion referred to as? - Answer -Current What electrical item is calculated by the product of the resistance times the current squared. - Answer - Power Which Italian scientist deve...

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...

Name Clas Dat : s: e: Chapter 3 Common Components for Computerized Engine Control Systems 1. What type of sensor is a throttle position sensor? a. c. ANSWER: POINTS: Potentiometer Piezoelectric diaphragm b. NTC thermistor d. Piezoresistive diaphragm 2. What voltage will be produced by a zirconium dioxide O2 sensor when the air-fuel ratio is on the rich side of stoichiometric? ANSWER: POINTS: d 1 b 1 c 1 a. 0 mV c. 450 mV b. 100 mV to 450 mV d. 450 mV to 900 mV 3. What scale ...

NCCER ELECTRICAL MODULE 2 LEVEL 2 MOTORS: THEORY AND APPLICATION 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED How DC motors operate? - CORRECT ANSWER Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. Armature: (Definition) - CORRECT ANSWER The rotating windings of a DC motor. The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. - CORRECT ANSWER A...

MRSO Mock Test 1 Questions with Correct A What pulse sequence will produce the most patient heating? A. Inverse recovery sequence B. Single shot fast spin echo C. Conventional spin echo D. Gradient Echo - Answer-B. Single shot fast spin echo During acquisition, it is noticed that the T wave of the cardiac cycle is elevated. What is this artifact called? A. Magnetohydrodynamic Effect B. Excitation C. Teratogenesis D. Magnetophosphenes - Answer-A. Magnetohyrdodynamic Effect When ...

What are two categories that diagnostic imaging contrast depends on? - ANSWER-Intrinsic and Extrinsic parameters Intrinsic parameters - ANSWER--T1 recovery -T2 decay -PD -Flow These cannot be manipulated Extrinsic parameters - ANSWER--TR -TE -FA -TI -b-value -echo train These can be manipulated by the MRT Factors that determine T1 and T2 relaxation times of tissue? - ANSWER--the inherent energy of the tissue -how closely packed the molecules are -how well the molecules tumbl...

2023 HESI MED SURG REVIEW GRADED A 125 QUESTIONS AND ANSWERS . 1. When a nurse assesses a client receiving total parenteral nutrition (TPN), which laboratory value is most important for the nurse to monitor regularly? A. Albumin B. Calcium C. Glucose D. Alkaline phosphatase Rationale: TPN solutions contain high concentrations of glucose, so the blood glucose level is often monitored as often as q6h because of the risk for hyperglycemia. Option A is monitored periodically because an in...

EVITP {Electrical Vehicles} Test Questions & Correct Answers Electrical vehicles are equipped with which type of motor. - ANSWER : induction and permanent magnet Regenerative braking is best described by which of the following? - ANSWER : An energy recovery system Which of the following describes an EV drivetrain architecture in which power can be transmitted to the drive from two sources at the same time? - ANSWER : Parallel hybrid drive What types of commercial/industrial ve...

ARMRIT Practice Test for MRI Technologists with Complete Solutions 2024 Magnetism can be defined as the ability of certain substances to attract: - Correct Answer Iron, Cobalt, Nickel The components of the Gyro-magnetic ratio are: - Correct Answer Magnetic moment to angular momentum Which type of electromagnetic coils produce smaller magnetic field which allow spatial localization to be performed? - Correct Answer Gradient coils Which type of MRI magnet requires cryogen to cool magneti...

T2 is the measurement of time from the transverse component of the NMV to decrease what percentage of its max value after the application of a 90 degree RF pulse - 37% combining a metal ion with a ligand reduces their tendency to bind proteins, enzymes, or membranes, the degree to which they disassociate is a measure of: - toxicity in a large main magnetic field such as those employed in MRI, the motion of a hydrogen proton has been described as wobbling like a spinning top, this motion is ...