Physics 9702 · AS & A Level · Practical circuits

Practical circuits — practice question

A cathode-ray oscilloscope shows a square wave, as illustrated in the diagram. The time-base is set to $0.20\,\text{ms}$ per division. Find the frequency of the square wave.

  • A$8.3\,\text{Hz}$
  • B$830\,\text{Hz}$
  • C$1300\,\text{Hz}$
  • D$1700\,\text{Hz}$

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