Elektrlangan sim hech qachon yalang'och teriga qarshi xavfsiz bo'lishi mumkinmi?
Birinchidan, LEDni yoqish uchun zarur bo'lgan eng past amper nima? Menimcha, 5 mA quvvatda yonishi mumkin bo'lgan ko'k rangli LEDlar mavjud. 10 mA - bu zarbalar og'riqli bo'la boshlaydi. Bu taxminan to'g'ri. Biroq, LEDga 5 mA etkazib beradigan sxemani loyihalash juda oson, lekin tananing ancha yuqori qarshiligi tufayli inson tanasiga bir necha mikroamperdan ortiq etkazib bera olmaydi.
batareyali kontaktlarning zanglashiga olib, agar biror narsa noto'g'ri bo'lsa, batareyaning past kuchlanishi og'riqli yoki zararli zarba berishi mumkin bo'lgan har qanday stsenariy bormi? 1,5 V batareya uchun ularni aniqlash juda qiyin. Biz 9 V batareyalarni ikkita terminalni tilimizga tegizish orqali sinab ko'rardik. Bu juda sezilarli tirnash xususiyati beradi. Bu yurak xastaligi yoki implantatsiya qilingan tibbiy asbob bilan kasallangan odam uchun xavfli bo‘lishi mumkin. Siz o‘sha LEDni teringizga tegib turgan yalang‘och mis sim, masalan, simli zargarlik buyumlari bilan quvvatlay olasizmi yoki bu kontaktlarning zanglashiga olib qo‘yasizmi yoki elektr toki urishi mumkinmi? siz "xavf ostida" emassiz (ya'ni, yurak kasalligi yoki implantatsiya qilingan tibbiy asbob) bu yaxshi ishlaydi.
Bir-biriga qisqa tutashmaslik uchun siz "to" va "dan" simlarni bir-biridan ajratishingiz kerak. Men bo'yningizga yoki bilagingizga LEDni quvvatlaydigan yalang'och mis simni taqib qo'yish mumkinligini tushunishga harakat qilyapman yoki bu simni izolyatsiya qilish kerakmi? U yerda. Shaffof lak yoki shaffof plastik. Bular kiyinish uchun qulayroq bo'lishi mumkin. Shuningdek, mis ba'zi hollarda teringizni bo'yashini unutmang. Agar siz uni kiyganingizda terlasangiz, bu ehtimol ko'proq. Albatta, bu har qanday mis zargarlik buyumlariga taalluqlidir va siz elektr pallasida misdan foydalanayotganingizga bog'liq emas. Bu bir oz tajribaga ega bo'lgan odam uchun kulgili tuyulishi mumkin, lekin men endi boshlayapman, shuning uchun biz davom etamiz. ;) To'liq savol 3 qismdan iborat...
Birinchidan, LEDni yoqish uchun zarur bo'lgan eng past amper nima? Menimcha, 5 mA quvvatda yonishi mumkin bo'lgan ko'k rangli LEDlar mavjud. 10 mA - bu zarbalar og'riqli bo'la boshlaydi. Ikkinchidan, batareyali kontaktlarning zanglashiga olib keladigan pallada, agar biror narsa noto'g'ri bo'lsa, batareyaning past kuchlanishi og'riqli yoki zararli zarba berishi mumkin bo'lgan stsenariy bormi? Uchinchidan, bu LEDni quvvatlantirish mumkinmi? zargarlik buyumlari kabi yalang'och mis sim teriga tegib turadimi yoki bu kontaktlarning zanglashiga olib kelishi yoki elektr toki urishi mumkinmi?
Oddiy qilib aytganda, men bo'yningizga yoki bilagingizga LEDni quvvatlantiradigan yalang'och mis simni taqish mumkinmi yoki yo'qligini aniqlashga harakat qilyapman yoki bu simni izolyatsiya qilish kerakmi? Balki sizning teringiz zarbani oldini olish uchun etarli qarshilik ko'rsatadi va oqimni simni davom ettirishga majbur qiladi.
·OTHER ANSWER:
Bir oz tajribaga ega bo'lgan odam uchun bu kulgili tuyulishi mumkin, lekin men endi boshlayapman, shuning uchun biz davom etamiz;) To'liq savol 3 qismdan iborat...Birinchidan, LEDni yoqish uchun eng past oqim kuchi qancha? Menimcha, 5 mA quvvatda yonishi mumkin bo'lgan ko'k rangli LEDlar mavjud. 10 mA - bu zarbalar og'riqli bo'la boshlaydi. Ikkinchidan, batareyasi bo'lgan kontaktlarning zanglashiga olib, agar biror narsa noto'g'ri bo'lsa, batareyaning past kuchlanishi og'riqli yoki zararli zarba berishi mumkin bo'lgan stsenariy bormi?
Uchinchidan, siz ushbu LEDni teriga tegib turgan yalang'och mis sim bilan quvvatlay olasizmi, masalan, simli zargarlik buyumlari yoki bu kontaktlarning zanglashiga olib qo'yishi yoki elektr toki urishi mumkinmi? LEDni quvvatlantiradigan bo'yningiz yoki bilagingizdagi yalang'och mis sim yoki bu simni izolyatsiya qilish kerakmi? Mening instinktim yo'q deyishdir, lekin men ham o'ylaymanki, sizning teringiz zarbani oldini olish va oqimni kuchaytirish uchun etarli qarshilik ko'rsatadi. simni davom ettirish uchun.
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