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זרם חשמלי

QuestionAnswer
כיוונו של זרם חשמלי מפלוס למינוס נכון
האלקטרונים במתחת נעים ממינוס לפלוס
תנאי הכרחי לקיום זרם חשמלי במעגל מעגל סגור
מטען שעובר דרך חתך של תיל ביחידת זמן עוצמת זרם חשמלי
ככל שאורך התייל גדול יותר התנגדותו גדולה יותר
ככל שהטח חתך של התייל גדול יותר התנגדותו קטנה יותר
Created by: bagrut
Popular Physics sets

 

 



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