surya1290 surya1290
  • 27-05-2024
  • Physics
Answered

sebuah filamen lampu pijar dengan emisivitas 0,5 dan konstanta boltzman 5,67×10^-8 watt/m²K⁴ memiliki suhu 1000K. jika daya lampu 60 watt, luas permukaan filamen adalah...



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