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![](https://rs.olm.vn/images/avt/0.png?1311)
a. \(R=R1+R2+R3=60+12+12=84\Omega\)
b. \(I=I1=I2=I3=\dfrac{U1}{R1}=\dfrac{5}{60}=\dfrac{1}{12}A\left(R1ntR2ntR3\right)\)
b)\(I_m=I_2=I_3=I_1=\dfrac{U_1}{R_1}=\dfrac{5}{60}=\dfrac{1}{12}A\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(MCD:R1nt\left(R2//R3\right)\)
\(=>R=R1+R23=R1+\dfrac{R2\cdot R3}{R2+R3}=18+\dfrac{20\cdot30}{20+30}=30\Omega\)
\(=>I=I1=I23=\dfrac{U}{R}=\dfrac{12}{30}=0,4A\)
Ta có: \(U23=U2=U3=U-U1=12-\left(0,4\cdot18\right)=4,8V\)
\(=>\left\{{}\begin{matrix}I2=\dfrac{U2}{R2}=\dfrac{4,8}{20}=0,24A\\I3=\dfrac{U3}{R3}=\dfrac{4,8}{30}=0,16A\end{matrix}\right.\)
![](https://rs.olm.vn/images/avt/0.png?1311)
1. a. Theo ht 4' trg đm //, ta có: Rtđ= (R1.R2)/(R1+R2)= (3.6)/(3+6)=2 ôm
b.Theo ĐL ôm, ta có: I= U/Rtđ=24/2=12 A
I1=U/R1=24/3=8 ôm
I2=U/R2=24/6=4 ôm
2. a. Theo ht 4' trg đm //, ta có: Rtđ=(R1.R2.R3)/(R1+R2+R3)= (6.12.4)/(6+12+4)=13,09 ôm
b. Áp dụng ĐL Ôm, ta có: U=I.R=3.13,09=39,27 V
c. Theo ĐL Ôm, ta có:
I1=U/R1=39,27/6=6.545 A
I2=U/R2=39,27/12=3,2725 A
I3=U/R3=39,27/4=9.8175 A
![](https://rs.olm.vn/images/avt/0.png?1311)
a) Sơ đồ bạn tự vẽ giúp mình nha :
Điện trở tương đương của đoạn mạch :
\(R_{tđ}=R_1+R_2=15+30=45\left(\Omega\right)\)
b) Cường độ dòng điện qua mạch chính :
\(I=\dfrac{U}{R}=\dfrac{15}{45}=\dfrac{1}{3}\left(A\right)\)
Công suất tiêu thụ của toàn mạch :
\(P=UI=15.\dfrac{1}{3}=5\left(W\right)\)
Chúc bạn học tốt
![](https://rs.olm.vn/images/avt/0.png?1311)
a,
b, \(R1ntR2ntR3=>Rtd=R1+R2+R3=6+8+16=30\left(om\right)\)
\(=>Im=\dfrac{U}{Rtd}=\dfrac{22,4}{30}\approx0,75A\)
a.![](data:image/png;base64,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)
b. Cường độ dòng điện qua R1 là: \(I_1=\dfrac{U_1}{R_1}=\dfrac{5}{60}=\dfrac{1}{12}\left(A\right)\)
Vì R1 nt R2 nt R3 nên I=I1=I2=I3=\(\dfrac{1}{12}\left(A\right)\)
Bạn tham khảo nha