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Ram Avtar Sharma • 4.50K Points
Extraordinary

Q. Two resistors R1 and R2 and (in ohms) at temperatures T1K and T2K respectively, are connected in series. Their equivalent noise temperature is ?

  • (A) T1+T2
  • (B) R1T2+R2T2
  • (C) (R1T1+R2T2)/(R1R2)
  • (D) (R1T1+R2T2)/(R1+R2)
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