ISRO Electrical Engineering (EE) 2020 - Question 55

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One cycle of square wave signal observed on an oscilloscope is found to occupy 6 cm at a scale setting of 30 µs/cm. What is the signal frequency?

  • A. 1.8 kHz
  • B. 5.55 kHz
  • C. 18 kHz
  • D. 55.5 kHz

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