GCSE Physics – Thermistors, LDRs and diodes
Learning Objectives
-I can recall that the resistance of a thermistor decreases as temperature increases
-I can recall the the resistance of an LDR decreases as light intensity increase
-I can draw and interpret current-voltage graphs for diodes
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Question 1 of 18
1. Question
Is resistance constant for resistors?
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Question 2 of 18
2. Question
A straight diagonal line on an I-V graph represents what?
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Question 3 of 18
3. Question
What type of conductor produces a straight diagonal line on an I-V graph?
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Question 4 of 18
4. Question
What does Ohmic conductor mean?
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Question 5 of 18
5. Question
Why does the resistance of a filament lamp increase?
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Question 6 of 18
6. Question
Why does the I-V graph of a diode have a flat line on the negative V-axis?
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Question 7 of 18
7. Question
What is the resistance of a diode for negative voltage values?
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Question 8 of 18
8. Question
What happens to a thermistor as temperature increases?
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Question 9 of 18
9. Question
What are thermistors used for?
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Question 10 of 18
10. Question
What is an LDR?
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Question 11 of 18
11. Question
What happens to an LDR when light intensity increases?
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Question 12 of 18
12. Question
What happens to an LDR when light intensity decreases?
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Question 13 of 18
13. Question
What are LDRs used for?
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Question 14 of 18
14. Question
How do we test the resistance of a component?
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Question 15 of 18
15. Question
How is an ammeter connected?
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Question 16 of 18
16. Question
How is a voltmeter connected?
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Question 17 of 18
17. Question
What would you use to change the temperature of the thermistor in an experiment?
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Question 18 of 18
18. Question
How would you conduct an experiment with an LDR?
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