calonso6525 calonso6525
  • 19-12-2022
  • Physics
contestada

A wire of resistance R dissipates power P when a current I passes through it. The wire is replaced by another
wire with resistance 3R. The power dissipated by the new wire when the same current passes through it is
(A) P/9 (B) P/3 (C) 3P (D) 6P

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