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UGC NET CSE | June 2012 | Part 3 | Question: 66

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If the period of a signal is 1000 ms, then what is its frequency in kiliohertz?

  1. $10^{-3}$ KHz
  2. $10^{-2}$ KHz
  3. $10^{-1}$ KHz
  4. 1 KHz
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f=1/t

t=1000ms=1sec

f=1/1sec=1000/1000s=1K/1000s=

10−310^-3 KHz10−10^−3 KHz

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Frequency = 1/Period.
      So frequency = 1 / 1000 x 10^-3 Hz
                    = 1 Hz
                    =  10^-3 KHz
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