Two electric bubl rated for the same voltage have power of 200V and 100W respectively of the resistances are respectively, Ra and R2, then -

অন্যান্য অন্যান্য 05 Oct, 2018

প্রশ্ন Two electric bubl rated for the same voltage have power of 200V and 100W respectively of the resistances are respectively, Ra and R2, then -

  • ক.
    R1 = 2R2
  • খ.
    R2 = 2R1
  • গ.
    R2 = 4R2
  • ঘ.
    R1 = 4R2

সঠিক উত্তর

R2 = 2R1

মন্তব্য

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