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Hoàn thành 3 mức độ cân bằng phương trình trên https://phet.colorado.edu/sims/html/balancing-chemical-equations/latest/balancing-chemical-equations_vi.html

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‪Cân bằng phương trình phản ứng hoá học‬

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20/9/2021

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u1/r1= 9/9=1a
u2/r2=9/18=0,5a

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I1= U1/R1= 9/9=1A
I2=U2/R2=9/18=0,5A

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I1=U1/R1=9/9=1A; I2=U2/R2=9/18=0.5A

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R2 = 0.50A =9:18 .   R1=1A =9:9

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Một đoạn mạch điện gồm 2 điện trở R1 =9 ôm, R2 = 18 ôm, được mắc song song với nguồn điện có hiệu điện thế 9V.
a) Vẽ sơ đồ mạch điện trên https://phet.colorado.edu/
b) Tính CĐDĐ chạy qua mỗi điện trở

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Over 1.1 billion simulations delivered

160interactive simulations

97language translations

3001teacher-submitted lessons

Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery.

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Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery.

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Vì
R1 nối tiếp R2 nên
I1=I2=I=0,2A  I1=I2=I=0,2A;                      UAB=U1+U2UAB=U1+U2    U1=I1R1=0,2.5=1V;
U2=I2R2=0,2.10=2V

Hiệu điện thế của đoạn mạch AB là:

UAB=U1+U2=1+2=3V

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Uab=U1+U2=3V

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UAB=U1+U2=3V

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Ta có: Rtd=R1.R2/R1+R2=5.10/5+10=10/3(ôm)
=> IAB=UAB/Rtd=3/10/3=0,(A)

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Bài 1 : Hai điện trở R1 và R2 và ampe kế được mắc nối tiếp với nhau vào hai điểm A và B.

a) Vẽ sơ đồ mạch điện trên (https://phet.colorado.edu/)

b) Cho R1 = 5Ω, R2 = 10Ω, ampe kế chỉ 0,2A. Tính hiệu điện thế của đoạn mạch AB

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Over 1.1 billion simulations delivered

160interactive simulations

97language translations

3001teacher-submitted lessons

Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery.

# data[].attributes.attachment_link.description
Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education research and engage students through an intuitive, game-like environment where students learn through exploration and discovery.