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WorksheetsDEE10133 CHAPTER 2: OSCILLOSCOPE
Total questions: 10
Worksheet time: 20mins
Choose the first step to be done to make that the oscilloscope is in good condition?
Select a suitable range of volt/div
Select the input channel ti channel 1
Calibrate the oscilloscope
Change the probe of oscilloscope
The amplitude of an oscilloscope is 6 division and the volt/div knob is set at 2V/div. Identify the value of the amplitude in volt.
3V
1.2V
0.3V
12V
If the vertical attenuation is set 2V/div and the time/div control is set 1ms, calculate Vpp=
10Vpp
4Vpp
If the vertical attenuation is set 2V/div and the time/div control is set 1ms, calculate time of 1 cycle (T)
12ms
2ms
5ms
10ms
If the vertical attenuation is set 2V/div and the time/div control is set 1ms, calculate phase angle
100
144
72
60
If the vertical attenuation is set to 2.5V/div and the time/div control is set at 100us, calculate the period,T
150us
400us
200us
300us
The amplitude of an oscilloscope is 4 division and the volt/div knob is set at 0.5V/div. Determine the value of Vp
0.01V
0.1V
1.0V
10V
Identify the part to control up and down movement of the waveform on he oscilloscope screen
Horizontal control
Vertical control
Focus control
Trigger control
Identify the disadvantage of digital oscilloscope
Display storage
Self calibration
Automatic measurements
Costly
Calculate the frequency(f) if volt/div = 5V and time/div = 2ms
72Hz
0.062Hz
62.5Hz
0.072Hz
