MRSO: Basic Physics Questions well answers 2024/2025

MRSO: Basic Physics Questions A Pulse that uses multiple 180 degree refocusing pulsing is the? Spin Echo What are Eddy currents created from? Faradays Law What does Faradays law say will increase the induction of a voltage? Strength and speed of a changing magnetic field When activated, what is used to produce resonance in hydrogen within a patient? Time varying RF We are able to localize a slice within our patient because of? Time varying gradient What does Ohm's Law describe? the relationship between voltage, current, and resistance. V=IR What two things are needed to induce a voltage according to Faradays Law? Magnetic Field and an electrically conductive material What do Lenz's Force describe? Opposing forces produced in an electrically conductive material in a changing magnetic field. What is the formula for Faradays Law of induction? E=Dt/do