027
De stroom door de weerstand is:
a 1A
b 6 A
c 2A
d
0,5 A
n = p/s
= 4/1 =4
n = Up/Us
Us = Up / n
Us = 48 / 4 = 12 V
U=IR
I=U/R = 12/24 = 0.5 A
038
n = np/ns
n = Up/Us
n = Is/Ip
n
2
= Zp/Zs
n
2
= Cs/Cp
┘