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CAIE A-Level Physics AS 7.1.3 The Use of the Time Base and Y Gain of a Cathode Ray Oscilloscope Cro to Questions

Use CRO time-base and y-gain controls to determine time intervals, frequencies and signal amplitudes.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • Use CRO time-base and y-gain controls to determine time intervals, frequencies and signal amplitudes.

CAIE A-Level Physics AS 7.1.3 The Use of the Time Base and Y Gain of a Cathode Ray Oscilloscope Cro to Questions question 1

[Maximum number: 1]

The diagram shows a representation of a wave on the screen of an oscilloscope.

Figure for Question CAIE A-Level Physics AS 7.1.3 The Use of the Time Base and Y Gain of a Cathode Ray Oscilloscope Cro to Questions question 1 — CAIE A-Level Physics AS

The y-gain is set to 3.5mVcm−13.5 \mathrm{mV} \mathrm{cm}^{-1}.
What is the amplitude of the wave?

A

0.57 mV

B

3.5 mV

C

7.0 mV

D

14 mV

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