绗?/p>
1
绔犱範棰樺弬鑰冪瓟妗?/p>
1.2
A
锛?/p>
U
銆?/p>
I
鍙傝�冩柟鍚戝叧鑱?/p>
,P
鍚?/p>
=U
脳
I=2
脳
1=2W
B
锛?/p>
U
銆?/p>
I
闈炲叧鑱斿弬鑰冩柟鍚?/p>
P
鍚?/p>
=-UI=-U
脳
2=10
U=-5V
C
锛?/p>
U
銆?/p>
I
鍙傝�冩柟鍚戦潪鍏宠仈
P
鍚?/p>
=-UI=-2
脳
1=-2W
锛屽厓浠?/p>
C
瀹炰负鍙?/p>
鍑?/p>
2W
鐨勫姛鐜?/p>
D:
U
銆?/p>
I
鍙傝�冩柟鍚戦潪鍏宠仈
P
鍙?/p>
=UI=10W
锛?/p>
鎵�浠?/p>
I=2A
E:
U
銆?/p>
I
鍙傝�冩柟鍚戝叧鑱?/p>
,P
鍙?/p>
=-10W
鍗?/p>
P
鍚?/p>
=10W
P
鍚?/p>
=UI=U
脳
2=10
鎵�浠?/p>
U=5V
F:
U\I
鍙傝�冩柟鍚戝叧鑱旓紝鎵�浠?/p>
P
鍚?/p>
=UI=(-5)
脳
(-2)=10W,P
鍙?/p>
=-P
鍚?
=-10W
1.3
140V
鐢靛帇婧愬惛鏀跺姛鐜?/p>
P
140v
=-140
脳
4=-560(W)
鐢靛帇涓?/p>
80V
鐨勭數闃诲厓浠跺惛鏀跺姛鐜?/p>
P
80v
=80
脳
4=320(W)
鐢靛帇涓?/p>
60V
鐨勭數闃诲厓浠跺惛鏀跺姛鐜?/p>
P
60v
=60
脳
10=600(W)
鐢靛帇涓?/p>
30V
鐨勭數闃诲厓浠跺惛鏀跺姛鐜?/p>
P
30v
=30
脳
6=180(W)
鐢靛帇涓?/p>
90V
鐨勭數鍘嬫簮鍚告敹鍔熺巼
P
90v
=-90
脳
6=-540(W)
