Cathod Ray Oscilloscope(CRO)

Diagram shows the trace displayed on the screen of a C.R.O. with the time-base set to 10 ms/div. What is the frequency, f of the wave?

• 5 Hz

• 25 Hz

• 40 Hz

• 50 Hz

Diagram shows a waveform displayed on the screen of a C.R.O. If the controls on the C.R.O. are set at 0.5 V/div and 2 ms/div, find the peak voltage and the frequency of the input signal.

• 4 V, 2 Hz

• 5 V, 10 Hz

• 2 V, 100 Hz

• 4 V, 100 Hz

Diagram shows a waveform displayed on the screen of a C.R.O. If the controls on the C.R.O. are set at 0.5 V/div and 2 ms/div, find the peak voltage and the frequency of the input signal.

• 4 V, 2 Hz

• 5 V, 10 Hz

• 2 V, 100 Hz

• 4 V, 100 Hz

Figure shows a wave form obtained from a signal generator connected to the Y-input of a CRO.

Below are the settings on the CRO

Y-gain setting = 3 V cm^-1

Timebase setting = 5 ms cm ^-1

Determine the period of the signal

• 0.002 s

• 0.01 s

• 0.02 s

• 0.03 s

Figure shows a wave form obtained from a signal generator connected to the Y-input of a CRO.

Below are the settings on the CRO

Y-gain setting = 3 V cm^-1

Timebase setting = 5 ms cm ^-1

Determine the frequency of the signal

• 40 hz

• 50 hz

• 60 hz

• 70 hz

Diagram shows the trace on a CRO screen. The Y-gain and the time-base are set at 3 volt / division and 5 ms / division respectively. What is the peak voltage and the frequency of the alternating current supply that connected to the C.R.O?

• 0.2 Hz

• 0.04 Hz

• 40 Hz

• 200 Hz

Diagram 25 shows the traces of a C.R.O. (Cathode Ray Oscilloscope) for an alternating current (a.c).

What is the peak voltage if the Y-gain is set at 5 V cm-1?

• 5 V

• 10 V

• 15 V

• 30 V

Diagram below shows an audio signal generator connected to a cathode ray oscilloscope, CRO.

Which signal shows the loudest and the highest pitched audio signal?

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