Themata2002 - ~ ~ Ó×ÏËÇ Ç.Ì.Ì Õ ÔÏÌÅÁÓ...

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~ ~~~'~-- ~ Ó×ÏËÇ Ç.Ì.Ì. Õ. - ÔÏÌÅÁÓ ÖÕÓÉÊÇÓ, Ó×ÏËÇÓ Å.Ì.Ö.Å. ÅîÝôáóç ôïõ ÌáèÞìáôïò "ÖõóéÊ-Þ Ð : Çëåêôñïìáãíçôéóìüò" ÁèÞíá 21/09/2002 ÄéÜñêåéá: 2.5 þñåò ÈÝìá 1 (25%). Äßäåôáé êõëéíäñéêüò öëïéüò åîùôåñéêÞò áêôßíáò b, åóùôåñéêÞò áêôßíáò c, êáé åõèýãñáììïò êõëéíäñéêüò áãùãüò áêôßíáò d (d<c), ôïõ ïðïßïõ ï Üîïíáò óõììåôñßáò óõìðºðôåé ìå ôïí Üîïíá óõììåôñßáò ôïõ êõëêéíäñéêïý öëïéïý. ÏíïìÜóôå É, 11, 11É êáé ÉV ôéò ðåñéï÷Ýò ôá óçìåßá ôùí ïðïßùí áðÝ÷ïõí áðü ôïí Üîïíá óõììåôñßáò , áðïóôÜóåéò ôé < d, d < ôð < C, C < fm < b, b < ÔÉÕ, áíôßóôïé÷á. Áí í á åßíáé ~ . ôï äõíáìéêü ôïõ áãùãïý ùò ðñïò Ýíá óçìåßï Á ðïõ áðÝ÷åé áðü ôïí ~'" Üîïíá óõììåôñßáò ôïõ áãùãïý áðüóôáóç R êáé í ö ôï äõíáìéêü ôïõ êõëéíäñéêïý öëïéïý ùò ðñïò ôï Á, íá õðïëïãßóåôå ôá çëåêôñéêÜ ðåäßá Åé, Åð, Em, Erv, óôéò ðåñéï÷Ýò 1,11,11É êáé ÉV áíôßóôïé÷á. ÈÝìá 2 (20%). Åõèýãñáììïò áãùãüò Üðåéñïõ ìÞêïõò äéÝñ÷åôáé êÜèåôá AE Á áðü Üðåéñï áãþãéìï åðßðåäï (×Õ). Óôá äýï ôìÞìáôá (ÁÏ) êáé (ÂÏ) ôïõ åõèýãñáììïõ áãùãïý äéÝñ÷ïíôáé ñåýìáôá áíôßèåôçò öïñÜò êáé ßäéáò Ýíôáóçò 1/2. Ôï ñåýìáôá ôùí äýï êëÜäùí, ìåôÜ ôçí ÜöéîÞ ôïõò óôï áãþãéìï åðßðåäï, äéá÷Ýïíôáé óôï åðßðåäï ìå áêôéíéêÜ óõììåôñéêü ôñüðï êáôåõèõíüìåíá óôï Üðåéñï üðïõ õðïôßèåôáé üôé ôï êýêëùìá êëåßíåé c';; ìÝóù ôùí áãùãþí. á) ×ñçóéìïðïéþíôáò ôç óõììåôñßá ôïõ óõóôÞìáôïò t. .,:,;.;~ êáé ôï ãåãïíüò üôé ïé äõíáìéêÝò ãñáììÝò ôïõ ìáãíçôéêïý ðåäßïõ åßíáé ~ êëåéóôÝò, õðïëïãßóôå ôï ìáãíçôéêü ðåäßï ðÜíù êáé êÜôù áðü ôï åðßðåäï. ~.~ '-"--
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Themata2002 - ~ ~ Ó×ÏËÇ Ç.Ì.Ì Õ ÔÏÌÅÁÓ...

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