1
閲戝北涓
2015
瀛﹀勾绗竴瀛︽湡楂樹簩鐗╃悊鍚堟牸鑰冭瘯璇曞嵎
鑰冪敓娉ㄦ剰锛?/p>
鑰冭瘯鏃堕棿
60
鍒?/p>
婊″垎
100
鍒?/p>
1
锛?/p>
鏈瘯鍗?/p>
g
鍙?/p>
10m/s
2
锛?/p>
e=1.6
脳
10
-19
C
锛?/p>
2
锛?/p>
鏈嵎鎵�鏈夎瘯棰樼殑绛旀濉啓鍦ㄧ瓟棰樼焊涓婏紱
3
锛庤绠楅闇�瑕佸啓鍑哄繀瑕佺殑姝ラ鍜屽崟浣嶏紝鍙啓鍑虹粨璁虹殑涓嶅緱鍒嗐�?/p>
涓�銆佸～绌洪锛堟瘡灏忛
4
鍒嗭紝鍏?/p>
32
鍒嗭級
1
锛庝汉绫荤ぞ浼氳嚜浠庤繘鍏ョ數姘斿寲鏃朵唬浠ユ潵锛屽氨涓�鐩村湪涓嶆柇鍦版帰瀵荤數鑳界殑鏉ユ簮銆傚浠婂父瑙佺殑鍙戠數
鏂瑰紡鏈夛細鈶犵伀鍔涘彂鐢点�佲憽姘村姏鍙戠數銆佲憿鏍稿彂鐢碉紝鍏朵腑灏嗚嚜鐒剁晫鐨勬満姊拌兘杞寲涓虹數鑳界殑鏂?/p>
寮忔槸
________
锛堝啓搴忓彿鍗冲彲锛?/p>
銆?/p>
濡傛灉鎶婄洿鎺ユ潵鑷簬鑷劧鐣岀殑鐓ょ偔绉颁负涓�娆¤兘婧愶紝
閭ｄ箞鐢辩叅
鐐浆鍖栬�屾潵鐨勭數鑳藉垯灞炰簬
_________
鑳芥簮銆?/p>
2.
甯︽湁
10
-5
C
鐨勬楠岀數鑽风疆浜庣數鍦轰腑锛屽畠鎵�鍙楃殑鐢靛満鍔涗负
10
-2
N
锛岀幇鎶婂甫鏈?/p>
4
脳
10
-5
C
鐨勬楠岀數
鑽锋斁鍦ㄨ鐐?/p>
,
瀹冩墍鍙楃殑鐢靛満鍔涗负
__________N
锛屾妸妫�楠岀數鑽风Щ鍘?/p>
,
璇ョ偣鐨勭數鍦哄己搴︿负
____________N/C
銆?/p>
3
锛庤川閲忕浉鍚岋紝娓╁害鍧囦负
0鈩冪殑鍐板拰姘达紝瀹冧滑鐨勫垎瀛愬钩鍧囧姩鑳藉垎鍒负
Ek
1
鍜?/p>
Ek
2
锛屽唴鑳藉垎鍒负
E
1
鍜?/p>
E
2
锛屽垯
E
k
1
_____
E
k
2
锛?/p>
E
1
_____
E
2
锛堝潎閫夊～鈥滐紴鈥?/p>
銆?/p>
鈥滐紳鈥濇垨鈥滐紲鈥?/p>
锛?/p>
銆?/p>
4
锛?/p>
濡傚浘鎵�绀猴紝
鐢ㄧ粷缂樹笣绾垮皢涓�甯︽鐢电殑灏忕悆
N
鎸傚湪姘村钩妯潌涓婄殑
P
鐐癸紝
鍦?/p>
N
鐨勫乏渚ф斁缃竴甯︽鐢电殑灏忕悆
M
锛?/p>
鐢变簬闈欑數鐩镐簰浣滅敤锛?/p>
N
骞宠 鏃朵笣
绾夸笌绔栫洿鏂瑰悜鏈変竴瀹氱殑鍋忚銆傚鏋?/p>
M
鐨勭數鑽烽噺鍑忓崐锛屼笣绾垮亸瑙?/p>
________
锛堥�夊～鈥滃彉澶р�?/p>
銆?/p>
鈥滃彉灏忊�濇垨鈥滀笉鍙樷�?/p>
锛?/p>
銆傚鏋滀袱鐞冪殑鐢佃嵎閲?/p>
涓嶅彉锛?/p>
鎶?/p>
M
鍚戝彸绉诲姩涓�瀹氳窛绂伙紝
N
闈欐鏃跺彈鍒扮殑闈欑數鍔?/p>
________
锛堥�?/p>
濉�滃彉澶р�?/p>
銆?/p>
鈥滃彉灏忊�濇垨鈥滀笉鍙樷�?/p>
锛?/p>
銆?/p>
5
锛?/p>
澶ч噺鐨勪簨瀹炶〃鏄庯紝
鑷劧鐣屼腑鐨勪竴鍒囧疄闄呭彉鍖栫殑杩囩▼閮藉叿鏈?/p>
_________
鎬с�?/p>
鏈濇煇涓柟鍚戠殑鍙?/p>
鍖栨槸鍙互鑷彂鍙戠敓鐨勶紝鑰岀浉鍙嶆柟鍚戠殑鍙樺寲鍗存槸鍙楀埌闄愬埗鐨勩�傝繖鏃跺鏋滆浣垮彉鍖栦簡鐨勪簨鐗?/p>
閲嶆柊鎭㈠鍒板師鏉ョ殑鐘舵�侊紝
涓�瀹氫細瀵瑰浜х敓鏃犳硶娑堥櫎鐨勫奖鍝嶏紝
杩欏氨鏄嚜鐒惰繃绋嬬殑涓嶅彲閫嗘�с�?/p>
鐑紶閫掋�佹懇鎿︾敓鐑�佹皵浣撹嚜鐢辫啫鑳�绛夋槸鐗╃悊瀛︿腑鎵�璁ㄨ鐨勪笁绫诲吀鍨嬬殑鍗曞悜鎬ц繃绋嬫垨涓嶅彲
閫嗚繃绋嬶紝鑰屼笖杩欎簺杩囩▼閮戒笌
______
鐜拌薄瀵嗗垏鐩稿叧銆?/p>
6
锛庝袱涓皬鐏场锛屽畠浠垎鍒爣鏈夆�?/p>
10V
銆?/p>
2W
鈥濆拰鈥?/p>
10V
銆?/p>
2.5W
鈥濈殑瀛楁牱锛屽皢瀹冧滑涓茶仈璧锋潵鎺ュ湪
鐢佃矾涓娇鐢紝涓洪伩鍏嶇伅娉℃崯鍧忥紝鐢佃矾涓殑鐢垫祦涓嶈兘瓒呰繃
_______A
锛?/p>
浜屼釜鐏场娑堣�楃殑鎬诲姛鐜囦笉鑳借秴杩?/p>
_________W
銆?/p>
M
N
P
U(V)
R
1
R
2
R
3
I(A)
0