| Topic: |
Science > Physics |
| User: |
"Ò»´óÖª" |
| Date: |
28 Sep 2007 01:39:23 PM |
| Object: |
§°§á§â§à§Ó§Ö§â§Ô§Ñ§ñ §¶§Ñ§â§Ñ§Õ§Ñ§Û §Ù§Ñ§Ü§à§ß |
§°§á§â§à§Ó§Ö§â§Ô§Ñ§ñ §¶§Ñ§â§Ñ§Õ§Ñ§Û §Ù§Ñ§Ü§à§ß
-- §¯§Ñ§å§é§ß§í§Û §¬§à§ß§è§Ö§á§è§Ú§ñ §¥§Ö§Ü§Ý§Ñ§â§Ñ§è§Ú§Ú §Õ§Ñ§Ý §Þ§ß§Ö
§ã§Ú§Ý§í
§Á §â§Ñ§Ù§Õ§Ö§Ý§Ú§ä§î §Þ§à§Û §Ó§Ù§Ô§Ý§ñ§Õ, §Õ§Ñ§Ó§ß§à
§Ù§Ñ§á§Ý§Ñ§ß§Ú§â§à§Ó§Ñ§ß§ß§í§ç
EMF §ñ§Ó§Ý§ñ§Ö§ä§ã§ñ §â§Ö§Ù§Ü§Ñ
A. §á§Ö§â§Ö§Þ§Ö§ß§ß§à§Ô§à §ä§à§Ü§Ñ
B. DC (§Ü§à§Þ§Þ§å§ä§Ñ§ä§à§â§Ñ) §¤§Ö§ß§Ö§â§Ñ§ä§à§â§í
C. DC §à§Õ§ß§à§á§à§Ý§ñ§â§ß§í§Û §Þ§Ñ§ê§Ú§ß§í
D. §¯§Ú§Ü§Ñ§Ü§Ú§ç §Ú§Ù§Þ§Ö§ß§Ö§ß§Ú§Û §Ó §Ö§Õ§Ú§ß§í§Û §á§à§Ý§ð§ã -
§å§ã§ä§â§à§Û§ã§ä§Ó§à §Õ§Ó§Ú§Ô§Ñ§ä§Ö§Ý§ñ §á§à§ã§ä§à§ñ§ß§ß§à§Ô§à §ä§à§Ü§Ñ
http://www.sino-electronics.com/198805/1988050105.shtml
§°§Ò§ë§Ö§Û §ã§å§ë§ß§à§ã§ä§Ú, §â§Ö§Ù§Ü§Ú §ï§Ý§Ö§Ü§ä§â§Ú§é§Ö§ã§Ü§Ú§ç
§á§à§ä§Ö§ß§è§Ú§Ñ§Ý§î§ß§í§ç §á§à§Ý§Ö§Û §ã§å§ä§î §ã§Ú§Ý§í
§á§â§à§Õ§Ó§Ú§Ø§Ö§ß§Ú§ñ §à§Ò§Ó§Ú§ß§Ö§ß§Ú§ñ - §à §Ó§à§Ù§Þ§à§Ø§ß§à§ã§ä§ñ§ç.
§ª§ß§Õ§å§Ü§è§Ú§ñ §á§à§ä§Ö§ß§è§Ú§Ñ§Ý§î§ß§í§ç §ä§â§Ñ§ß§ã§æ§à§â§Þ§Ñ§ä§à§â,
§â§à§Ý§î §ä§à§Ý§î§Ü§à!
§°§ß "§Ú§Ù§Þ§Ö§ß§ñ§Ö§ä §á§à§Ý§Ö§Ù§ß§Ñ§ñ §á§Ý§à§ë§Ñ§Õ§î" §ß§Ñ§Õ§å§Þ§Ñ§ß§ß§à§Û
§Ó §á§à§ä§à§Ü §Ú§Ù§Þ§Ö§ß§Ö§ß§Ú§Û §Ú§ß§Õ§å§Ü§è§Ú§à§ß§ß§í§ç Shenglagengye
§á§à§ä§Ö§ß§è§Ú§Ñ§Ý, §é§ä§à§Ò§í
§¥§Ý§ñ Lenz §Ù§Ñ§Ü§à§ß
§ª §¶§Ñ§â§Ñ§Õ§Ñ§Û §©§Ñ§Ü§à§ß§Ñ,
§¥§Ñ §Ñ§Ó§ä§à§Þ§à§Ò§Ú§Ý§î§ß§à§Û §Ú§ã§ä§à§â§Ú§Ú §ß§Ö§å§Õ§Ñ§é,
§ß§Ö§á§à§ß§Ú§Þ§Ñ§ß§Ú§ñ! §¥§Ñ §Ý§à§Ó§å§ê§Ö§Ü, §â§ñ§Õ §ã§Þ§Ö§Ý§í§ç
§Ú§ã§ã§Ý§Ö§Õ§à§Ó§Ñ§ä§Ö§Ý§Ö§Û, §Ó§ç§à§Õ§ñ§ë§Ú§ç §Ó:
"§¿§æ§æ§Ö§Ü§ä§Ú§Ó§ß§à§Ö §à§Ò§Ý§Ñ§ã§ä§Ú §Ú§Ù§Þ§Ö§ß§Ö§ß§Ú§ñ" §Ý§à§Ó§å§ê§Ü§å
§´§Ñ§Ü §à§ß§Ú §ß§Ñ "§á§à§ß§Ú§Þ§Ñ§ß§Ú§Ö, §Ú §Ñ§Ý§î§ä§Ö§â§ß§Ñ§ä§à§â§à§Ó DC
(§Ü§à§Þ§Þ§å§ä§Ñ§ä§à§â§Ñ) §Ô§Ö§ß§Ö§â§Ñ§ä§à§â§à§Ó §Ó §à§Ò§ë§Ú§Ö
§ï§Ý§Ö§Ü§ä§â§Ú§é§Ö§ã§Ü§Ú§Ö §á§à§ä§Ö§ß§è§Ú§Ñ§Ý §Ú, §Ü§Ñ§Ü
§ã§Ü§Ý§Ñ§Õ§í§Ó§Ñ§ð§ä§ã§ñ §á§à§ä§Ö§ß§è§Ú§Ñ§Ý§î§ß§í§Ö §á§â§à§Ò§Ý§Ö§Þ§í
§Ú§ß§Õ§å§Ü§è§Ú§Ú". §±§â§Ö§Õ§å§Þ§í§ê§Ý§Ö§ß§ß§à§Ö §Ú §Ò§à§â§î§Ò§Ñ,
§Ò§à§â§î§Ò§Ñ, §ß§Ö§Ü§à§ä§à§â§í§Ö §Ò§à§â§ð§ä§ã§ñ §Ù§Ñ §á§à§Ý§à§Ó§Ú§ß§å
§Þ§à§Ö§Û §Ø§Ú§Ù§ß§Ú, §ß§Ö§Ü§à§ä§à§â§í§Ö §Ò§à§â§ð§ä§ã§ñ §Ù§Ñ §Ö§Ô§à
§Ø§Ú§Ù§ß§î, §Ú§ã§é§Ö§â§á§Ñ§Ý §ã§Ó§à§ð §Ø§Ú§Ù§ß§î §ï§ß§Ö§â§Ô§Ú§Ú.
§·§à§ä§ñ §Ú§ç §ã§Ñ§Þ§à§á§à§Ø§Ö§â§ä§Ó§à§Ó§Ñ§ß§Ú§ð, §á§â§Ñ§Ü§ä§Ú§é§Ö§ã§Ü§Ú
§ß§Ö§â§Ö§Ñ§Ý§î§ß§í§ç §ï§Ý§Ö§Þ§Ö§ß§ä§à§Ó
§¯§à §Ú§ç §á§à§Ó§Ö§Õ§Ö§ß§Ú§Ö, §Ú§ã§ã§Ý§Ö§Õ§à§Ó§Ñ§ß§Ú§Ö §á§â§à§è§Ö§ã§ã§Ñ §Ú
§â§Ö§Ù§å§Ý§î§ä§Ñ§ä§à§Ó §ï§Ü§ã§á§Ö§â§ä§ß§à§Ô§à §Ú§ã§ã§Ý§Ö§Õ§à§Ó§Ñ§ä§Ö§Ý§Ö§Û
§Ó §Ò§à§Ý§Ö§Ö §ã§ä§Ñ§Ò§Ú§Ý§î§ß§í§ç §Ú §á§à§ã§Ý§Ö
§¥§Ú§ã§á§Ý§Ö§Û:
Lenz §©§Ñ§Ü§à§ß §Ú §à§Ô§â§Ñ§ß§Ú§é§Ö§ß§Ú§ñ §¶§Ñ§â§Ñ§Õ§Ñ§Û §Ù§Ñ§Ü§à§ß§Ñ.
§Ù§Õ§Ö§ã§î, §ñ §ç§à§ä§Ö§Ý §Ò§í §Ó§í§â§Ñ§Ù§Ú§ä§î §ã§Ó§à§Ú
§¯§Ö§Ü§à§ä§à§â§í§Ö, §é§ä§à §å§Ó§Ñ§Ø§Ö§ß§Ú§Ö §Ú §Ò§Ý§Ñ§Ô§à§Õ§Ñ§â§ß§à§ã§ä§î.
§®§í §ä§Ñ§Ü§Ø§Ö §ß§Ñ§Õ§Ö§Ö§Þ§ã§ñ, §á§à§ã§Ý§Ö §Ò§à§Ý§Ö§Ö §ã§ä§Ñ§Ò§Ú§Ý§î§ß§à§Û
§Ú §ä§à§Ó§Ñ§â§Ú§ë§Ú:
§³§Þ. §á§å§ß§Ü§ä
"§¿§æ§æ§Ö§Ü§ä§Ú§Ó§ß§à§Ö §à§Ò§Ý§Ñ§ã§ä§Ú §Ú§Ù§Þ§Ö§ß§Ö§ß§Ú§ñ" §Ó§Ó§à§Õ§Ú§ä §Ó
§Ù§Ñ§Ò§Ý§å§Ø§Õ§Ö§ß§Ú§Ö,
§¥§Ý§ñ §å§ã§Ü§à§â§Ö§ß§Ú§ñ §ã§à §Ó§â§Ö§Þ§Ö§ß§Ö§Þ
§Ù§Ñ§ß§Ú§Þ§Ñ§ä§î §Ó§í§ã§à§Ü§Ú§Ö
"§®§Ö§ä§Ñ§Ý§Ý EMF"
§¢§Ñ§ß§ß§Ö§â,
-- §¹§ä§à§Ò§í §Õ§Ó§Ú§Ô§Ñ§ä§î§ã§ñ §Ó§á§Ö§â§Ö§Õ, §Ó §å§Ô§Ý§å§Ò§Ý§Ö§ß§ß§à§Þ
§Ú§ã§ã§Ý§Ö§Õ§à§Ó§Ñ§ß§Ú§Ú!
§Á §â§Ñ§Ù§â§Ñ§Ò§à§ä§Ñ§Ý §Þ§à§Õ§Ö§Ý§î §æ§Ú§Ù§Ú§Ü§Ú:
§ª§ç B (§Þ§Ñ§Ô§ß§Ú§ä§ß§à§Û §Ú§ß§Õ§å§Ü§è§Ú§Ú) §ä§à§Û §Ø§Ö §à§Ò§Ý§Ñ§ã§ä§Ú
§ï§æ§æ§Ö§Ü§ä§Ú§Ó§ß§à§Ô§à §Ú§Ù§Þ§Ö§ß§Ö§ß§Ú§ñ §Þ§à§Ô§å§ä §Ó§í§Ù§Ó§Ñ§ä§î ?
(§á§à§ä§à§Ü) §Ú§Ù§Þ§Ö§ß§Ö§ß§Ú§ñ,
§¯§à §ñ §Ú§ã§á§í§ä§Ñ§ß§Ú§ñ
§°§Ü§à§ß§é§Ñ§ä§Ö§Ý§î§ß§í§Û
EMF §ß§Ö §Ô§Ö§ß§Ö§â§Ú§â§å§ð§ä§ã§ñ.
§¦§ã§Ý§Ú §Õ§â§å§Ô§Ú§Ö §Ú§ã§ã§Ý§Ö§Õ§à§Ó§Ñ§ä§Ö§Ý§Ú §Ñ§Ó§ä§à§Þ§à§Ò§Ú§Ý§î§ß§à§Û
§¿§ä§à §Õ§Ñ§Ö§ä §Þ§ß§Ö §á§â§Ñ§Ó§à §ß§Ö§ã§Ü§à§Ý§î§Ü§à §Þ§à§Õ§Ö§Ý§Ö§Û,
§Á §Þ§à§Ô§å §ã§â§Ñ§Ù§å
§¿§ä§Ñ §Þ§à§Õ§Ö§Ý§î §Ú§Þ§Ö§Ö§ä §ß§Ö§ã§Ü§à§Ý§î§Ü§à §Ú§Ù§Þ§Ö§ß§Ö§ß§ß§í§Ö
§¯§Ö§Ü§à§ä§à§â§í§Ö §ã§ä§Ñ§Ý§Ú §ã§Ý§Ú§ê§Ü§à§Þ §á§â§à§ã§ä§í§Þ
§£§Ö§é§ß§í§Û §Õ§Ó§Ú§Ø§Ö§ß§Ú§Ú §Þ§Ñ§ê§Ú§ß§í.
§´§Ú§á§à§Ó§à§Û
1: §â§Ö§ê§Ú§ä§Ö§Ý§î§ß§à §Þ§Ñ§Ô§ß§Ú§ä§ß§í§Ö §ß§Ñ §â§Ñ§Ù§Þ§Ö§â §Õ§Ó§å§ç
§â§Ñ§Ù§ß§í§ç §Ü§Ñ§ä§å§ê§Ü§Ú (§ã§Ñ§Þ§à§Ô§à, §Ü§Õ) §Ò§å§Õ§Ö§ä §Ú§ç §á§å§ß§Ü§ä
§ß§Ñ§Ù§ß§Ñ§é§Ö§ß§Ú§ñ (§Ñ, §Ò, §ã, §Ô) §Ô§â§å§ß§ä §ß§Ñ §Þ§Ö§ã§ä§Ñ§ç, §Ñ, §ã
§Ú §Õ§Ó§Ö §Ü§à§ß§Ö§é§ß§í§Ö §ä§à§é§Ü§Ú §Ó §Ô§à§ã§å§Õ§Ñ§â§ã§ä§Ó§Ö§ß§ß§í§ç,
§ã§ã§í§Ý§Ü§Ñ §ß§Ñ§Ô§â§å§Ù§Ü§Ú §â§Ö§Ù§Ú§ã§ä§à§â R, R §ã§ã§í§Ý§Ü§å
§ß§Ñ§Ô§â§å§Ù§Ü§Ú, §ã§ã§í§Ý§Ü§Ñ §ß§Ñ §Ó§í§Ò§à§â §á§Ö§â§Ö§Ü§Ý§ð§é§Ö§ß§Ú§ñ K, K
§Ó§í§Ò§â§Ñ§ä§î §Ò, §Ô 2 §á§å§ß§Ü§ä §ß§Ñ§Ù§ß§Ñ§é§Ö§ß§Ú§ñ,
§á§Ö§â§Ö§Ü§Ý§ð§é§Ú§ä§î§ã§ñ §à§Ò§â§Ñ§ä§ß§à §Ú §Õ§Ñ§Ý§Ö§Ö §Ú§Ô§â§Ñ§ä§î §¬.
§Ö§Ù§Õ§í: §±§à§Ó§í§ê§Ö§ß§Ú§Ö §¶§Ñ§â§Ñ§Õ§Ñ§Û §Õ§Ú§ã§Ü§Ñ, §Õ§Ú§ã§Ü §Ò§å§Õ§Ö§ä
§Ù§Ñ§Þ§Ö§ß§Ö§ß §Ù§Ñ§Þ§Ö§ã§ä§Ú§ä§Ö§Ý§Ö§Þ (§á§â§Ö§Õ§Ó§Ñ§â§Ú§ä§Ö§Ý§î§ß§à
§ß§Ñ§Þ§Ö§é§Ö§ß§à §ß§Ñ 6 §Ù§Ñ§Þ§Ö§ã§ä§Ú§ä§Ö§Ý§î), §Ù§Ñ§Þ§Ö§ã§ä§Ú§ä§Ö§Ý§î
§ß§Ñ§â§å§Ø§ß§à§Û §Ü§à§ß§è§Ö §ã§Ó§Ñ§â§Ü§Ú §Ó §Ò§à§Ý§î§ê§Ú§ç
§Þ§Ö§ä§Ñ§Ý§Ý§Ú§é§Ö§ã§Ü§Ú§ç §Ü§à§Ý§î§è§Ñ, §Ó§ß§å§ä§â§Ö§ß§ß§Ö§Û §è§Ö§Ý§Ú
(§Ó§à§Ù§Ý§Ö §è§Ö§ß§ä§â§Ñ§Ý§î§ß§à§Ô§à §à§ä§Õ§Ö§Ý§Ö§ß§Ú§ñ)
§å§ã§ä§Ñ§ß§à§Ó§Ý§Ö§ß§Ñ §Ó §ß§Ö§Ò§à§Ý§î§ê§à§Û §Ü§â§å§Ô §Ú§Ù§à§Ý§ñ§è§Ú§Ú, §Ó
§ä§Ö§é§Ö§ß§Ú§Ö §ê§Ö§ã§ä§Ú §á§å§ß§Ü§ä §ß§Ñ§Ù§ß§Ñ§é§Ö§ß§Ú§ñ §Ú§Ù§Ó§Ö§ã§ä§Ö§ß
§Ü§Ñ§Ü A, B, C, D, E, F, §à§ä A, B, C, D, E, F §Ó§Ö§Õ§Ö§ä
§á§Ñ§â§Ñ§Ý§Ý§Ö§Ý§î§ß§à §à§ã§Ú §Õ§Ú§ã§Ü§Ñ §ê§Ö§ã§ä§î §ã§Ö§Ô§Þ§Ö§ß§ä§à§Ó §¡§Ñ,
Bb, §¬§à§á§Ú§ñ, §Þ§Þ, Ee, §³§Ý§Ö§Õ, §Ú §ê§Ö§ã§ä§î §Õ§à§Ý§Ô§à§ã§â§à§é§ß§à§Û
§Ý§Ú§ß§Ú§Ú, §Ñ, §Ò, §ã, §Ô, §Ö, f §Ú§Ù§à§Ý§ñ§è§Ú§Ú §Ø§Ö §â§Ñ§Ù§Þ§Ö§â§Ñ,
§Ò§à§Ý§î§ê§à§Ô§à §Ü§â§å§Ô§Ñ, §á§à §à§Ü§â§å§Ø§ß§à§ã§ä§Ú §Ü§â§å§Ô§Ý§à§Ô§à
§Õ§Ú§ã§Ü§Ñ §Ó §è§Ö§ß§ä§â§Ñ§Ý§î§ß§à§Û §à§ã§Ú O, O §è§Ö§ß§ä§â§Ñ §Ó, §Ò, §ã,
§Ô, §Ö f §Ü §à§Õ§ß§à§á§à§Ý§ð§ã§ß§í§Û §á§Ö§â§Ö§Ü§Ý§ð§é§Ñ§ä§Ö§Ý§î
§Ò§â§à§ã§Ñ§Ý§Ú 6 (§Ó§â§Ñ§ë§Ñ§ð§ë§Ú§Ö§ã§ñ), §¡§Ñ, Bb, §¬§à§á§Ú§ñ, §Þ§Þ, Ee,
Ff §æ§Ñ§Ü§ä§Ú§é§Ö§ã§Ü§Ú §Þ§Ö§ä§Ñ§Ý§Ý§Ú§é§Ö§ã§Ü§Ú§ç §á§â§à§Ó§à§Õ§à§Ó
§Ú§Ù§à§Ý§ñ§è§Ú§Ú, §å§ã§ä§Ñ§ß§à§Ó§Ü§Ñ §Ò§à§Ý§î§ê§à§Ö
§Þ§Ö§ä§Ñ§Ý§Ý§Ú§é§Ö§ã§Ü§à§Ö §Ü§à§Ý§î§è§à Brush §®, §® §ã§Ö§â§Ú§Ú §à§ä
§ã§à§á§â§à§ä§Ú§Ó§Ý§Ö§ß§Ú§ñ §ß§Ñ§Ô§â§å§Ù§Ü§Ú R, §Þ§Ö§â§ß§à §Õ§Ñ§Ý§Ö§Ö
§ã§Ö§â§Ú§Ú §à§ä §Õ§Ñ§Ý§î§ß§Ö§Û§ê§Ö§Ô§à §á§à§Õ§Ü§Ý§ð§é§Ö§ß §Ü
§à§Õ§ß§à§á§à§Ý§ð§ã§ß§í§Û §á§Ö§â§Ö§Ü§Ý§ð§é§Ñ§ä§Ö§Ý§î §Ò§â§à§ã§Ñ§Ý§Ú
§ê§Ö§ã§ä§î §á§å§ß§Ü§ä§à§Ó §ã§Ö§â§Õ§è§Ö O, §Ó§â§Ñ§ë§Ñ§ð§ë§Ö§Ô§à§ã§ñ
§ê§Ö§ã§ä§î single-pole/double-throw §Ò§â§à§ã§Ñ§Ý§Ú
§á§Ö§â§Ö§Ü§Ý§ð§é§Ú§ä§î§ã§ñ §ã ¡ú ¡ú §Ò §ã d ¡ú ¡ú ¡ú ¡ú §Ö f.
http://hi.baidu.com/wjw9077/blog/item/babff324a1dce7004c088db2.html
¢Û: §á§Ö§â§Ö§Þ§Ö§ß§ß§à§Ô§à §ä§à§Ü§Ñ §Þ§à§Õ§Ö§Ý§Ú §é§Ö§Þ-§ä§à §ã§ç§à§Ø:
§ä§â§Ú §Ü§Ñ§ä§å§ê§Ü§Ú §â§à§ä§à§â§Ñ §á§à§Ù§Ú§è§Ú§Ú §ß§Ñ §Ü§â§Ö§ã§ä§Ö §Ó
§Þ§Ö§ã§ä§Ö, §è§Ö§ß§ä§â§Ñ§Ý§î§ß§í§Û §å§Ô§à§Ý 60 §Ô§â§Ñ§Õ§å§ã§à§Ó
§à§Ü§â§å§Ø§ß§à§ã§ä§Ú §ß§Ö §Þ§Ö§ß§Ö§Ö, §Ü§à§Ô§Õ§Ñ §ä§â§Ú §ã§á§Ú§â§Ñ§Ý§Ú
§ñ§Ó§Ý§ñ§ð§ä§ã§ñ:
1ABCDEF4
2hKLMNP5
3WQRSTU6
(1,4), (2,5), (3,6) §Ò§í§Ý§Ú 3 - §Ü§Ñ§ä§å§ê§Ü§Ú §ã§Ó§à§â§Ñ§é§Ú§Ó§Ñ§Ö§ä§ã§ñ,
BC DE
KL MN
QR ST
§´§â§Ú §ï§æ§æ§Ö§Ü§ä§Ú§Ó§ß§í§ç §ã§à§á§â§à§ä§Ú§Ó§Ý§Ö§ß§Ú§ñ §Ó§à§Ü§â§å§Ô
§Ü§â§Ñ§ñ §Ó §è§Ú§Ý§Ú§ß§Õ§â§Ú§é§Ö§ã§Ü§Ú§Û §â§à§ä§à§â §Ó §Ñ§Ó§ä§à§Ò§å§ã§Ö, §Ñ
§Ù§Ñ§ä§Ö§Þ §Ù§Ñ§Ô§â§å§Ù§Ú§ä§î §â§Ö§Ù§Ú§ã§ä§à§â §ß§Ñ§Ô§â§å§Ù§Ü§Ú R 1
§ã§Ö§â§Ú§Ú, §Ü§å§é§å §Õ§Ó§Ñ §Ü§à§ß§Ö§é§ß§í§Ö §ä§à§é§Ü§Ú §Õ§Ý§ñ
§á§Ö§â§Ö§ç§à§Õ§Ñ §ß§Ñ §¥§Ó§Ñ§Ø§Õ§í §¯§à§Ø §Ò§â§à§ã§Ñ§ä§î §ä§â§Ú §ä§à§é§Ü§Ú
§Õ§Ó§Ñ §ã§Ö§â§Õ§è§Ñ §Ò§í§Ý§Ú §Ù§Ñ§Þ§Ö§é§Ö§ß§í §Ó §â§à§ä§Ñ§è§Ú§Ú (1,4) ,
(2,5), (3, 6).
http://hi.baidu.com/wjw9077/blog/item/0260d41b1653b3fbaf5133b2.html
http://hi.baidu.com/wjw9077/blog/item/779414f4bb7e2d6fdcc47458.html
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