Permanent magnet - Study guides, Class notes & Summaries

Electrical vehicles are equipped with what type of motor a. internal combustion permanent magnet c. induction d.B and C - d.B and C Regenerative breaking is best described by which of the following a. an energy recovery system b turnes electrical energy to kinetic energy c. is obsolete technology that existed on ev models in the 90's d. is not reliable as a breaking method - a. an energy recovery system "lion" describes which of the following a. chemical compound symbol for one type o...

GCSE COMBINED SCIENCE: TRILOGY 8464/P/2H Physics Paper 2H Version: 1.0 Final *JUN238464P2H01* IB/M/Jun23/E8 8464/P/2H For Examiner’s Use Question Mark 1 2 3 4 5 6 7 TOTAL Friday 16 June 2023 Morning Time allowed: 1 hour 15 minutes Materials For this paper you must have: • a protractor • a ruler • a scientific calculator • the Physics Equations Sheet (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. ...

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 -Armature A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long...

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 Armature A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long ...

How DC motors operate? Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. Armature: (Definition) The rotating windings of a DC motor. The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. Armature A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long as the fields of the magnet and armatu...

Different tissues that have signals that appear similar on an MR image are described as: A) hypointense B) hyperintense C) isointense D) isodense - Answer isointense 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 called A) precession B) resonance C) frequency D) angular momentum - Answer precession magnetic resonance imaging is derived from the process known as: A) ma...

most important law to the study of electricity - Answer-ohms law What type extinguishing agent is usually associated with a conventional type extinguishing system? - Answer-CO2 What steps must be taken to prepare an aircraft for a 100-hour inspection? - Answer-Remove or open all necessary inspection plates, access doors, fairing and cowling. Then thoroughly clean the aircraft and the engine. What is a magneto? - Answer-self-contained AC generator What are the three parts of an igniti...

MRI ASRT Test Questions and Correct Answers on All 12 Modules The most common type of magnet used in today's MR systems is the _______________. A. resistive magnet B. permanent magnet C. superconducting magnet D. open MR scanner - Correct Answer C. superconducting magnet The positively charged part of an atom is the _____________. A. electron B. neutron C. proton D. nucleus - Correct Answer C. proton When a hydrogen nucleus is positively charged and spins, it generates a sma...

Armrit review test questions and answers The exact middle of the bore of the magnet is termed: - Ans ️️ -Isocenter Without proper safety limits on the MR system exposure to the time-varying magnetic fields created by the rapid switching of the gradient could create a potential environment for: - Ans ️️ -Including electrical current in the patient's tissues Faraday's Law deals with induction of a current by a magnet. true or false? - Ans ️️ -true The orientation of the main ma...

MRSO Safety Questions with Complete Solutions 100% Verified Slew rate - Correct Answers Speed at which gradient coil turns on and off Time-varying Gradient - Correct Answers Induced current in a patient Magnetic Flux Lines - Correct Answers Travel from North to South pole permanent magnet - Correct Answers Can not be turned off Very inexpensive; extremely heavy Approximately 0.4T Vertical vector Resistive magnet - Correct Answers Can be turned on and off Costly due to cooling A...