Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Tare da ci gaban mai saurin ƙwayar ƙwayar cuta a farkon rabin karni na ashirin, masana kimiyyar lissafi sun fara zurfafa zurfafawa cikin halayen ƙwayoyin atomatik. Na farko da ya yi nasara don hanzarta electrons ta amfani da induction electromagnetic ya yi a 1942 da Donald Kerst. Betatron na farko ya kai makamashi na 2.3 MeV, yayin da betatrons na gaba suka kai 300 MeV. A cikin 1947, an gano sinadarin synchrotron tare da sinadarin lantarki na 70 MeV a General Electric. Wannan radiation ya haifar da hanzari na electrons ta hanyar filin magnetic yayin da suke motsawa kusa da saurin haske.  Tambaya: Wane matakin ne Donald Kerst ya kai na farko na betatron?
2.3 MeV