
יעילות , קבוצה 4
Physics
9th Grade
Used 2+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
נוסחאת יעילות היא......
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
מהי יעילות ?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
יעילות מתפזרת ל2 סוגים של תוצרים (פלט ) , והם......
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
מטרתנו להגיע ל...
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
יש פעולות או דברים שאנו מופסדים באנרגיה , כלומר מקבלים תוצר לא רצוי יותר מתוצר רצוי והן...
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
שאלה : מנורה פועלת , המנורה צורכת 2 קילו וואט ומתוכם הלך 600 וואט לאנרגיית אור וכל שאר האנרגיה הלכה לאנרגיית חום ,האם המונרה יעילה ??
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
האם נהנתם ?
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