Sauƙa da Karamin Karami
Wata tushen karami na gaba-gaban karami yana aiki a matsayin mai sauƙa da karamin karami, inda karamin mafi girma yana zama a duk filoyin bayanai daga baya hukuma, amma karamin karami a cikin har birni yana dace. An yi amfani da Sauƙa da Karamin Karami don neman karamin karami wajen muhimmanci, kamar yadda aka bayyana a tushen karami ta hagu:

Karamin I yana zama I1 da I2 a filoyin bayanai biyu na gaba-gaban karami da masu murabba'ar R1 da R2, inda V yana nufin karamin karami a cikin duk murabba'ar. Duk da cewa an san shi,

An rubuta tambayar ta karamin karami kamar haka:

Amsa murabba'ar tushen karami ya zama R kuma ana bayyana a cikin tambayar ta hagu:

Tambayar (1) zai iya rubuta kamar haka:

Daga baya an saka ɗaukar R daga tambayar (2) a cikin tambayar (3) za a samun

Daga baya an saka ɗaukar V = I1R1 daga tambayar (5) a cikin tambayar (4), ba da haka an samun tambayar a hagu:

Saboda haka, Sauƙa da Karamin Karami tana ce cewa karamin karami a wata filoyin bayanai na gaba-gaban karami yana dace da aljima tsari na murabba'ar na gaba a cikin aljima tsarin duk murabba'ar, marubucin karamin karami.
Sauƙa da Karamin Tsari
Za a iya fahimtar Sauƙa da Karamin Tsari tare da nemo tushen karami na gaba-gaban tsari ta hagu. A tushen karami na gaba-gaban tsari, karamin tsari yana zama, amma karamin karami yana dace.

Ba ni ne abin da ke sauki E da masu murabba'ar r1 da r2 suka duba a gaba-gaban tsari.
Duk da cewa an san shi,
I = V/R ko zan iya cewa I = E/R
Saboda haka, karamin karami (i) a cikin ABCD zai zama:

Saboda haka, karamin tsari a cikin murabba'ar a tushen karami na gaba-gaban tsari yana dace da haske da murabba'ar, karamin tsari da karamin karami a kan tushen karami, da kuma karamin karami a kan tushen karami.