绗?/p>
1
绔犵洿娴佺數璺強鍏跺垎鏋愭柟娉?/p>
-
閫夋嫨澶嶄範棰?/p>
1
锛庡鍥炬墍绀虹數璺腑锛屽綋鐢甸樆
锛?/p>
2
澧炲姞鏃讹紝鐢垫祦
锛?/p>
灏?/p>
______
銆?/p>
(A)
澧炲姞
(B)
鍑忓皬
(C)
涓嶅彉
2
锛庝簩鍙櫧鐐界伅鐨勯瀹氱數鍘嬩负
220V,
棰濆畾鍔熺巼鍒嗗埆涓?/p>
100W
鍜?/p>
25W
锛屼笅闈㈢粨璁烘纭殑鏄?/p>
__________
銆?/p>
(A) 25
锛风櫧鐐界伅鐨勭伅涓濈數闃昏緝澶?/p>
(B) 100
锛风櫧鐐界伅鐨勭伅涓濈數闃昏緝澶?/p>
(C) 25
锛风櫧鐐界伅鐨勭伅涓濈數闃昏緝灏?/p>
3
锛庡父鐢ㄧ數瀹瑰櫒鐨勪袱椤逛富瑕佹暟鎹槸鐢靛閲忓拰鑰愬帇鍊笺�?/p>
鐢靛鍣ㄧ殑杩欎釜鑰愬帇鍊兼槸鏍规嵁鍔犲湪瀹冧笂闈㈢殑鐢?/p>
鍘?/p>
_________
鏉ヨ瀹氱殑锛?/p>
A.
鏈�澶у�硷紱
B.
骞冲潎鍊硷紱
C.
鏈夋晥鍊硷紱
D.
鐬椂鍊笺�?/p>
4
锛庡浘鎵�绀虹數璺腑锛?/p>
A
銆?/p>
B
绔數鍘?/p>
锛?/p>
AB
锛?/p>
______
銆?/p>
A. -2V B. 2V C. -1V D. 3V
5
锛庣數璺鍥炬墍绀?/p>
,
瀹冪殑鎴寸淮鍗楃瓑鏁堢數璺腑
,
锛?/p>
OC
鍜?/p>
锛?/p>
O
搴旀槸
______
銆?/p>
A. 6V
锛?/p>
2
惟
B. 4.5V
锛?/p>
2
惟
C. 2V
锛?/p>
2
惟
D. 3V
锛?/p>
3
惟
6
锛庡鍥炬墍绀虹數璺?/p>
,
鐢垫祦婧愪袱绔數鍘?/p>
锛?/p>
=_ _V
銆?/p>
A. 15V B. 10V C. 20V D. -15V
7
锛庡浘绀虹數璺腑
锛?/p>
1
澧炲姞鏃剁數鍘?/p>
锛?/p>
2
灏?/p>
_ ___
銆?/p>
A.
涓嶅彉
B.
鍑忓皬
C.
澧炲姞
8
锛庨�氬父鐢佃矾涓殑鑰楄兘鍏冧欢鏄寚
______
銆?/p>