
Measuring Signals with Oscilloscopes

Interactive Video
•
Physics, Science, Computers
•
10th - 12th Grade
•
Hard

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main challenge when measuring small signals on an oscilloscope?
High signal strength
Lack of proper equipment
Low signal strength
Noise interference
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is used to measure the power of the laser spot in the setup?
A transistor
A capacitor
A resistor
A photodiode
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the initial setup described as terrible for measuring the signal?
The laser is too weak
The oscilloscope is not calibrated
The wires are too short
The wires act like antennas picking up noise
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of connecting the laser to a digital pin on an Arduino?
To measure the laser's temperature
To power the laser
To create a 5 kHz square wave
To control the laser's intensity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does AC coupling the oscilloscope help achieve?
Calibrate the oscilloscope
Reduce noise
Measure DC signals
Increase the signal strength
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to know the exact frequency and phase of the signal?
To reduce the signal frequency
To increase the signal amplitude
To synchronize with the reference channel
To adjust the oscilloscope settings
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the benefit of triggering off channel 2 in this setup?
It increases the signal strength
It powers the laser
It matches the phase and frequency of the signal
It reduces the noise
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