Siginar juyawa nawa ne daƙiƙa uku?
Siginar juyawa tana yin ƙara sau 3, wanda shine daƙiƙa 3 a lokaci guda, saboda yawan walƙiya na siginar juyawa na yau da kullun yana kusan 1 Hertz, wato, sau 60 a minti ɗaya, kuma siginar juyawa tana walƙiya na kimanin sau 1 a daƙiƙa ɗaya. Idan aka samu ƙaruwa kwatsam a mita, yana yiwuwa siginar juyawa ta gefe ko da'irarta ta lalace. Yawanci ana sanya maɓallin siginar juyawa na gaba ɗaya a gefen hagu na sitiyarin, ana iya taƙaita hanyar aikinta a matsayin "dama" a ƙarƙashin kalmomi huɗu na "hagu", inda siginar juyawa ta juya (agogo) zuwa dama, don kunnawa ƙasa (akasin agogo) don juyawa hagu. Amma tare da haɓaka motar, yanzu motoci da yawa sun ƙara maɓallin walƙiya sau biyu akan aikin bugun sauri na "taɓawa ɗaya walƙiya uku". Direban kawai yana "danna" lever, kuma hasken juyawa yana walƙiya sau uku sannan ya kashe. Ta wannan hanyar, mai shi zai iya guje wa matsalar kashe siginar juyawa lokacin da ya wuce.
