Shielded protons Magnetic field strength must be increased for a shielded proton to flip at the same frequency electrons hielding effective effective field field 14.0917 14,092.0 60 MHz 60 MHZ 60 MHZ absorbs does not absorbs absorb 14.. 0 pauss 14.092.0 gauss 14.092.3 gauss naked proton shielded proton stronger applied field absorbs at 14,092.0G feels less than 14,092.0G compensates for shielding Chapter 13Chapter 13 8 Shielded Protons Magnetic field strength must be increased for a shielded proton to flip at the same frequency. =>