L10 S&C Electronics
Authored by Michael Ratcliffe
Design
11th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does an LDR do?
Increases resistance with light
Decreases resistance with light
Only works in darkness
Remains constant regardless of light
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical resistance of an LDR in bright light?
120Ω
5MΩ
1kΩ
10MΩ
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of thermistor has a negative temperature coefficient?
Strain gauge
NTC thermistor
PTC thermistor
LDR
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the resistance of an NTC thermistor when temperature rises?
Resistance increases
Resistance remains the same
Resistance fluctuates randomly
Resistance decreases
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a strain gauge primarily used for?
Controlling circuits
Detecting light
Measuring temperature
Measuring force or deflection
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the nominal resistance of a typical strain gauge?
5Ω
10MΩ
120Ω
1kΩ
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a transducer?
Change electrical current into light
Change light, heat, or strain into electrical current
Only detect light
Only measure temperature
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