Shielded Protons Magnetic field strength must be increased for a shielded proton to flip at the same frequency. electrons shielding effective effective field field 14.091.7 14.092.0 60 MHz 60MH2 ● 60 MHz absorbs does not absorbs absorb B列 Bo Bo 14.092.0 gauss 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 13 8Chapter 13 8 Shielded Protons Magnetic field strength must be increased for a shielded proton to flip at the same frequency. =>