Wyznacz ze wzory R= p l/s (s)-. wyznacz
p=ro
dam naj
R = ρ * l /s , mnożę przez mianowik
R * s = ρ * l ; dzilę przez l
R *s /l = ρ
ρ = R *s /l
jednostka:
[ ρ] = [Ω * m²/m] = [ Ω * m]
obliczam s
R = ρ * l/s
R *s = ρ * l
s = ρ * l/R
[s ] =[ Ω * m *m/Ω] = [ m²]
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R = ρ * l /s , mnożę przez mianowik
R * s = ρ * l ; dzilę przez l
R *s /l = ρ
ρ = R *s /l
jednostka:
[ ρ] = [Ω * m²/m] = [ Ω * m]
obliczam s
R = ρ * l/s
R *s = ρ * l
s = ρ * l/R
[s ] =[ Ω * m *m/Ω] = [ m²]