璇炬椂璺熻釜妫�娴嬶紙涓冿級
鎻忚堪浜ゆ祦鐢电殑鐗╃悊閲?/p>
1.
灏忓瀷鎵嬫憞鍙戠數鏈虹嚎鍦堝叡
N
鍖濓紝姣忓対鍙畝鍖栦负鐭╁舰绾垮湀
abcd
锛岀鏋侀棿鐨勭鍦鸿涓哄寑寮?/p>
纾佸満锛?/p>
鏂瑰悜鍨傜洿浜庣嚎鍦堜腑蹇冭酱
OO
鈥诧紝
绾垮湀缁?/p>
OO
鈥插寑閫熻浆鍔紝濡傚浘
1
鎵�绀恒�傜煩褰㈢嚎鍦?/p>
ab
杈瑰拰
cd
杈逛骇鐢熺殑鎰熷簲鐢靛姩鍔跨殑鏈�澶у�奸兘涓?/p>
e
0
锛屼笉璁＄嚎鍦堢數闃伙紝鍒欏彂鐢垫満杈撳嚭鐢靛帇
(
)
鍥?/p>
1
A
锛庡嘲鍊兼槸
e
0
B
锛庡嘲鍊兼槸
2
e
0
C
锛庢湁鏁堝�兼槸
2
2
Ne
0
D
锛庢湁鏁堝�兼槸
2
Ne
0
瑙ｆ瀽锛氶�?/p>
D
鍥犳瘡鍖濈煩褰㈢嚎鍦?/p>
ab
杈瑰拰
cd
杈逛骇鐢熺殑鐢靛姩鍔跨殑鏈�澶у�奸兘鏄?/p>
e
0
锛屾瘡鍖濅腑
ab
鍜?/p>
cd
涓茶仈锛屾晠姣忓対绾垮湀浜х敓鐨勭數鍔ㄥ娍鐨勬渶澶у�间负
2
e
0
銆?/p>
N
鍖濈嚎鍦堜覆鑱旓紝鏁翠釜绾垮湀涓劅搴旂數鍔?/p>
鍔跨殑鏈�澶у�间负
2
Ne
0
锛?/p>
鍥犵嚎鍦堜腑浜х敓鐨勬槸姝ｅ鸡浜ゆ祦鐢碉紝
鍒欏彂鐢垫満杈撳嚭鐢靛帇鐨勬湁鏁堝�?/p>
E
锛?/p>
2
Ne
0
锛?/p>
鏁呴�夐」
D
姝ｇ‘銆?/p>
2
锛?/p>
(
澶氶�?/p>
)
鐭╁舰绾挎缁曞瀭鐩翠簬纾佸満鐨勮酱鍖�閫熻浆鍔ㄤ骇鐢熶氦娴佺數锛岀數鍔ㄥ娍鐬椂鍊艰〃杈惧紡涓?/p>
e
锛?/p>
220
2
sin 100蟺
t
(V)
锛屼笅鍒楄娉曟纭殑鏄?/p>
(
)
A
锛?/p>
t
锛?/p>
0
鏃跺埢绌胯繃绾挎鐨勭閫氶噺涓烘渶澶?/p>
B
锛庣數鍔ㄥ娍鐨勬湁鏁堝�间负
220
2 V
C
锛庝氦娴佺數鐨勫懆鏈熶负
0.01 s
D
锛?/p>
鑻ヨ浆閫熷澶?/p>
1
鍊嶏紝
鍏跺畠鏉′欢涓嶅彉锛?/p>
鍒欑數鍔ㄥ娍鐬椂鍊艰〃杈惧紡涓?/p>
e
锛?/p>
440
2
sin
200蟺
t
(V)
瑙ｆ瀽锛氶�?/p>
AD
绾垮湀涓數鍔ㄥ娍涓烘寮﹁寰嬪彉鍖栵紝
t
锛?/p>
0
鏃跺埢绾垮湀涓劅搴旂數鍔ㄥ娍涓洪浂锛屾晠姝?/p>
鏃剁嚎鍦堝浜庝腑鎬ч潰涓婏紝纾侀�氶噺鏈�澶э紝
A
瀵癸紱鐢靛姩鍔跨殑鏈夋晥鍊间负
U
锛?
U
m
2
锛?/p>
220
V
锛?/p>
B
閿欙紱浜ゆ祦鐢?
鐨勫懆鏈熶负锛?/p>
T
锛?/p>
2蟺
蠅
锛?/p>
0.02 s
锛?/p>
C
閿欙紱鑻ヨ浆閫熷澶?/p>
1
鍊嶏紝鍒欐渶澶у�煎澶?/p>
1
鍊嶏紝瑙掗�熷害涔熷鍔?/p>
1
鍊嶏紝鏁呰〃杈惧紡涓猴細
e
锛?/p>
440
2
sin 200蟺
t
(V)
锛?/p>
D
瀵广�?/p>
3. (
澶氶�?/p>
)
濡傚浘
2
鎵�绀哄湪鍖�寮虹鍦轰腑鍖�閫熻浆鍔ㄧ殑鐭╁舰绾垮湀鐨勫懆鏈熶负
T
锛岃浆杞?/p>
O
1
O
2
鍨傜洿浜?/p>
纾佸満鏂瑰悜锛岀嚎鍦堢數闃讳负
2 惟锛屼粠绾垮湀骞抽潰涓庣鍦烘柟鍚戝钩琛屾椂寮�濮嬭鏃讹紝绾垮湀缁曡繃浜?/p>
60掳鐨?/p>
鎰熷簲鐢垫祦涓?/p>
1 A
锛岄偅涔?/p>
(
)