鐢靛伐瀛︿笌鐢靛瓙鎶�鏈疊澶嶄範棰樺強鍙傝�冪瓟妗?(1) - 鐧惧害鏂囧簱

鏂板缓

涓婁紶

棣栭〉

鍔╂墜

鏈�杩?/div>

璧勬枡搴?/div>

宸ュ叿

鐢靛伐瀛︿笌鐢靛瓙鎶�鏈?/p>

B

澶嶄範棰樼瓟妗?/p>

 

涓�銆?/p>

 

閫夋嫨棰?/p>

 

1

銆?/p>

 

涓�鍚�婧愪簩绔�缃戠粶锛屾祴寰楀叾寮�璺�鐢靛帇涓�

100V

锛岀煭璺�鐢垫祦涓�

10A

锛屽綋澶栨帴

10

惟

璐熻浇鐢甸樆鏃讹紝璐熻浇

鐢垫祦鏄�锛�

B

锛?/p>

 

A

锛?/p>

10A

锛?/p>

B

锛庯紩锛★紱

C

锛庯紤锛曪肌锛涳激锛庯紥锛愶肌锛?/p>

 

锛掋�佺數鍔ㄥ娍涓?/p>

10V

銆佸唴闃讳负

2

惟

鐨勭數鍘嬫簮鍙樻崲鎴愮數娴佹簮鏃讹紝鐢垫祦婧愮殑鐢垫祦鍜屽唴闃绘槸锛?/p>

C

锛?/p>

 

A

锛?/p>

10A

锛?/p>

2

惟

锛?/p>

B

锛?/p>

10A

锛?/p>

2

惟

锛?/p>

C

锛?/p>

5A

锛?/p>

2

惟

锛涳激锛?/p>

2A

锛?/p>

5

惟

锛?/p>

 

3

銆佹�ｅ鸡浜ゆ祦鐢靛�?/p>

u=100sin(628t+60

潞

)V

锛屽畠鐨勯�戠巼涓猴�?/p>

A

锛?/p>

 

A

锛?/p>

100Hz

锛?/p>

B

锛?/p>

50Hz

锛?/p>

C

锛?/p>

60Hz

锛涳激锛?/p>

628Hz

锛?/p>

 

4

銆佷竴闃诲�间负

3

惟

銆佹劅鎶椾负

4

惟

鐨勭數鎰熺嚎鍦堟帴鍦ㄤ氦娴佺數璺�涓�锛屽叾鍔熺巼鍥犳暟涓猴紙

B

锛?/p>

 

A

锛?/p>

0.3

锛?/p>

B

锛?/p>

0.6

锛?/p>

C

锛?/p>

0.5

锛涳激锛?/p>

0.4 

5

銆佺數鍔涚郴缁熻礋杞藉ぇ閮ㄥ垎鏄�鎰熸�ц礋杞斤紝瑕佹彁楂樼數鍔涚郴缁熺殑鍔熺巼鍥犳暟甯搁噰鐢�锛�

B

锛?/p>

 

A

锛庝覆鑱旂數瀹硅ˉ鍋匡紱

B

锛庡苟鑱旂數瀹硅ˉ鍋匡紱

C

锛庝覆鑱旂數鎰熻ˉ鍋匡紱锛わ紟骞惰仈鐢垫劅琛ュ伩銆?/p>

 

6

銆佹�蹭娇鏀惧ぇ鍣ㄥ噣杈撳叆淇″彿鍓婂急锛屽簲閲囧彇鐨勫弽棣堢被鍨嬫槸锛?/p>

D

锛?/p>

 

A

锛庝覆鑱斿弽棣堬紱

B

骞惰仈鍙嶉�堬�?/p>

C

锛庢�ｅ弽棣堬紱锛わ紟璐熷弽棣堛�?/p>

 

7

銆佺敱涓�涓�涓夋瀬绠＄粍鎴愮殑鍩烘湰闂ㄧ數璺�鏄�锛�

B

锛?/p>

 

A

锛庝笌闂�锛�

B

锛庨潪闂�锛�

C

锛庢垨闂�锛涳激锛庡紓鎴栭棬銆?/p>

 

8

銆佸湪鑴夊啿闂ㄧ數璺�涓�锛屽簲閫夋嫨锛?/p>

B

锛夌殑涓夋瀬绠°�?/p>

 

A

锛庢斁澶ц兘鍔涘己锛?/p>

B

锛庡紑鍏抽�熷害蹇�锛�

C

锛庝环鏍间究瀹滐紱锛わ紟闆嗙數鏋佹渶澶ц�楁暎鍔熺巼楂樸�?/p>

 

9

銆佹暟瀛楅泦鎴愰棬鐢佃矾涓�锛岀洰鍓嶇敓浜ф渶澶氫笖搴旂敤鏈�鏅�閬嶇殑闂ㄧ數璺�鏄�锛�

D

锛?/p>

 

A

锛庝笌闂�锛�

B

锛庨潪闂�锛�

C

锛庢垨闂�锛涳激锛庝笌闈為棬銆?/p>

 

10

銆佸湪

Y

褰㈣仈鎺ョ殑涓夌浉瀵圭О鐢佃矾涓�锛岀浉鐢垫祦涓庣嚎鐢垫祦鐨勭浉浣嶅叧绯绘槸锛�

C

锛?/p>

 

A

锛庣浉鐢垫祦瓒呭墠绾跨數娴?/p>

30

 

潞锛?/p>

B

锛庣嚎鐢垫祦瓒呭墠鐩哥數娴?/p>

30

 

潞锛?/p>

C

锛庣浉鐢垫祦涓庣嚎鐢垫祦鍚岀浉锛涳激锛庣浉鐢垫祦瓒?/p>

鍓嶇嚎鐢垫祦

60

 

潞銆?/p>

 

11

銆佸湪涓夌浉鍥涚嚎鍒朵腑鎬х偣鎺ュ湴渚涚數绯荤粺涓�锛岀嚎鐢靛帇鎸囩殑锛�

A

锛夌殑鐢靛帇銆?/p>

 

A

锛庣浉绾夸箣闂达紱

B

锛庨浂绾垮�瑰湴闂达�?/p>

C

锛庣浉绾垮�归浂绾块棿锛涳激锛庣浉绾垮�瑰湴闂淬�?/p>

 

12

銆佷笁鐩稿洓绾垮埗渚涚數鐨勭浉鐢靛帇涓?/p>

220V

锛屽垯绾跨數鍘嬩负锛?/p>

D

锛?/p>

 

A

锛?/p>

220V

锛?/p>

B

锛?/p>

250V

锛?/p>

C

锛?/p>

311V

锛涳激锛?/p>

380V

锛?/p>

 

13

銆佺函鐢垫劅鐢佃矾涓�锛�

锛?/p>

C

锛?/p>

 

A

锛庣數娴佷笌鐢靛帇鍚岀浉浣嶏紱

 

B

锛庣數娴佷笌鐢靛帇鍙嶇浉浣嶏紱

C

锛庣數鍘嬭秴鍓嶇數娴?/p>

90

 

潞锛涳激锛庣數鍘嬫粸鍚庣數娴?/p>

90

 

潞銆?/p>

 

14

銆侀樆鍊间负

4

惟

鐨勭數闃诲拰瀹规姉涓?/p>

3

惟

鐨勭數瀹逛覆鑱旓紝鎬诲�嶆暟闃绘姉涓猴�?/p>

D

锛?/p>

惟

 

A

锛?/p>

Z=3+j4

锛?/p>

B

锛?/p>

Z=3-j4

锛?/p>

C

锛?/p>

Z=4+j3

锛涳激锛?/p>

Z=4-j3

銆?/p>

 

15

銆侀�濆畾鐢靛帇閮戒�?/p>

220V

鐨?/p>

40W

銆?/p>

60W

鍜?/p>

100W

涓夊彧鐏�娉′覆鑱斿�?/p>

220V

鐨勭數婧愪腑锛屽畠浠�鐨勫彂鐑�閲忕敱

澶у埌灏忔帓鍒椾负锛?/p>

B

锛?/p>

 

A

锛?/p>

100W

銆?/p>

60W

銆?/p>

40W

锛?/p>

B

锛?/p>

40W

銆?/p>

60W

銆?/p>

100W

锛?/p>

C

锛?/p>

100W

銆?/p>

40W

銆?/p>

60W

锛涳激锛?/p>

60W

銆?/p>

100W

銆?/p>

40W

銆?/p>

 

16

銆佸簲鐢ㄦ埓缁村崡瀹氱悊姹傚惈婧愪簩绔�缃戠粶鐨勮緭鍏ョ瓑鏁堢數闃荤殑鏂规硶鏄�灏嗙綉缁滃唴鐨勭數鍔ㄥ娍锛?/p>

D

锛?/p>

 

A

锛庝覆鑱旓紱

B

锛庡苟鑱旓紱

C

锛庡紑璺�锛涳激锛庣煭鎺ャ�?/p>

 

17

銆佺敤涓�鍙�棰濆畾鍊间负

110V/100W

鐨勭櫧鐐界伅鍜屼竴鍙�棰濆畾鍊间负

110V/40W

鐨勭櫧鐐界伅涓茶仈鍚庢帴鍒?/p>

220V

鐨?/p>

鐢垫簮涓婏紝褰撳紑鍏抽棴鍚堟椂锛?/p>

锛?/p>

C

锛?/p>

 

A

锛庤兘姝ｅ父宸ヤ綔锛?/p>

B

锛?/p>

100W

鐨勭伅涓濈儳姣侊紱

C

锛?/p>

40W

鐨勭伅涓濈儳姣侊紱锛わ紟涓ゅ彧鐏�涓濆叏鐑ф瘉銆?/p>

 

18

銆佹湁涓�

220V/1000W

鐨勭數鐐夛紝浠婃�叉帴鍦�

380V

鐨勭數婧愪笂浣跨敤锛屽彲涓茶仈鐨勫彉闃诲櫒鏄�锛�

B

锛?/p>

 

A

锛?/p>

100

惟

/3A

锛?/p>

B

锛?/p>

50

惟

/5A

锛?/p>

C

锛?/p>

30

惟

/10A

锛涳激锛?/p>

50

惟

/3A

銆?/p>

 

19

銆佸簲鐢ㄥ彔鍔犲畾鐞嗚�＄畻绾挎�х數璺�鏃讹�?/p>

锛?/p>

B

锛?/p>