A student investigates how the resistance of a thermistor varies with temperature - Edexcel - GCSE Physics Combined Science - Question 2 - 2016 - Paper 1
Question 2
A student investigates how the resistance of a thermistor varies with temperature.
(a) The student sets up the circuit shown in Figure 2 to measure current and volt... show full transcript
Worked Solution & Example Answer:A student investigates how the resistance of a thermistor varies with temperature - Edexcel - GCSE Physics Combined Science - Question 2 - 2016 - Paper 1
Step 1
Connect ammeter in series (with thermistor)
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The student should connect the ammeter in series with the thermistor to accurately measure the current flowing through it.
Step 2
Connect voltmeter in parallel (with thermistor)
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The voltmeter should be connected in parallel to the thermistor to measure the voltage across it directly, ensuring accurate voltage readings.
Step 3
Reverse connections for one of the cells
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The student needs to verify and possibly reverse the connections of one of the cells in the circuit to ensure proper functioning and correct direction of current flow.
