The period of a signal is 100 ms. What is its frequency in kilohertz?

2018

1. A.

   10⁻¹ kHz

2. B.

   10⁻² kHz

3. C.

   10⁻³ kHz

4. D.

   10⁻⁴ kHz

Attempted by 133 students.

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Correct answer: B