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1. Seri = 5R
= 5. 300
= 1800 ohm
pararel = ohm
2. Rs= R1+...+R4
= 50 ohm
Gmb 2
8. a. Sakelar
9.
10. ohm
Panjang kawat =
Gmb 3
11.
I = 0,4 A
Gmb 1
1. kuat arus pada rangkaian pararel akan semakin besar , karena hambatan pengganti dalam rangkaian pararel semakin kecil
2. potensial listrik akan terbagi2 pada tiap hambatan yang dirangkai seri
Gmb 3
12.
Gmb 4
22. W = P. t
w1 : w2 = t1 : t2
2700 : w2 = 30 : 45
= 2 : 3
2 w2 = 2700. 3
w2 = 2700. 3 / 2
= 4050 J
23.
V= 40 V
Gmb 5
25. W =
=
= 30.000 J