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1. Practica 5- Resistencias.
1.
R1+R2=4,7 + 3,3 = 8Ω
2.
4K7
3K3
10K 3K3
10K
4K7

2. R1,2=3’3x10/3’3+10=2’481
Req= R1,2x R3/R1,2 +R3= 1’8x10/1’8+10=18/11’8=1’5Ω
3.
R1,2=2’2x10/2’2+10=22/12’2=1’8
Req=R1,2xR3/R1,2+R3=1’8x10/1’8+10=
= 18/11’8=1’5
2K2
10K
10K