.
绮惧搧
绗?/p>
1
绔?/p>
鐢佃矾鐨勫熀鏈蹇典笌鍩烘湰瀹氬緥
涓�銆佸～绌洪
:
1.
涓嬪浘鎵�绀虹數璺腑锛屽厓浠舵秷鑰楀姛鐜?/p>
200W
P
飥?/p>
锛?/p>
U=20V,
鍒欑數娴?/p>
I
涓?/p>
10
A
銆?/p>
A
+
_
U
I
2.
濡傛灉鎶婁竴涓?/p>
24
浼忕殑鐢垫簮姝ｆ瀬浣滀负闆跺弬鑰冪數浣嶇偣锛岃礋鏋佺殑鐢典綅鏄?/p>
_
-24_
__V
銆?/p>
3
锛庝笅鍥剧數璺腑锛?/p>
U
=
2
V
锛?/p>
I
=
1
A
3
A
锛?/p>
P
2V
=
2
W
3
W
锛?/p>
P
1A
=
2
W
锛?/p>
P
3
惟
=
4
W
3
W
锛屽叾涓?/p>
鐢垫祦婧?/p>
锛堝～鐢垫祦婧愭垨
鐢靛帇婧愶級鍦ㄥ彂鍑哄姛鐜囷紝
鐢靛帇婧?/p>
锛堝～鐢垫祦婧愭垨鐢靛帇婧愶級鍦ㄥ惛鏀跺姛鐜囥�?
+
_
2V
3
惟
U
+
1A
_
I
4.
涓嬪浘鎵�绀轰腑锛岀數娴佹簮涓ょ鐨勭數鍘?/p>
U=
-6
V
锛岀數鍘嬫簮鏄湪
鍙戝嚭
鍔熺巼
+
_
惟
8
2A
10V
+
_
U
5
锛庝笅鍥炬墍绀虹數璺腑锛岀數娴?/p>
I
锛?/p>
5
A
锛岀數闃?/p>
R
锛?/p>
10
惟銆?
A
B
C
4
惟
2
惟
+
_
+
_
6V
4V
3A
3A
I
2A
R