Hey there! Sign in to join this conversationNew here? Join for free
    • Thread Starter
    Offline

    19
    http://filestore.aqa.org.uk/subjects...W-QP-JUN10.PDF
    5ai?
    Can someone draw me it please?
    Offline

    16
    ReputationRep:
    Okay so you will need the following:

    -Cell
    -ammeter (this goes in series)
    -voltmeter (remember this goes in parallel with the thermistor)
    -thermistor
    -means of changing the temperature (e.g water bath) of the thermistor and measuring the temperature

    Put them together and that's it
    • Thread Starter
    Offline

    19
    (Original post by TajwarC)
    Okay so you will need the following:

    -Cell
    -ammeter (this goes in series)
    -voltmeter (remember this goes in parallel with the thermistor)
    -thermistor
    -means of changing the temperature (e.g water bath) of the thermistor and measuring the temperature

    Put them together and that's it
    Like ive drawn the cell ,ammeter , voltmeter , thermistor , do i just draw a component in series for the water bath?
    Offline

    16
    ReputationRep:
    (Original post by Ayaz789)
    Like ive drawn the cell ,ammeter , voltmeter , thermistor , do i just draw a component in series for the water bath?
    Nah, you want the water bath to heat the thermistor so you could draw it as a box around it, maybe include a thermometer too
    • Thread Starter
    Offline

    19
    (Original post by TajwarC)
    Nah, you want the water bath to heat the thermistor so you could draw it as a box around it, maybe include a thermometer too
    Okay and in part aii? it says The candidate gives details of how the thermistor is heated in a beaker ofwater, what does this mean, and can you give me an explanation please
    Offline

    16
    ReputationRep:
    (Original post by Ayaz789)
    Okay and in part aii? it says The candidate gives details of how the thermistor is heated in a beaker ofwater, what does this mean, and can you give me an explanation please
    So you change the heat of the water bath, measure the temperature using the thermometer (this will be the temperature of the thermistor) and then you measure the readings off the ammeter and voltmeter. So you will have a temperature and a corresponding voltage and current value from which you can calculate the resistance. You do that across a range of temperatures.

    If the question specifies a range of temperatures, for example 0 to 100 degrees, then don't forget to include a means of lowering the temperature to below room temperature, e.g. using ice and stirring the water
    • Thread Starter
    Offline

    19
    (Original post by TajwarC)
    So you change the heat of the water bath, measure the temperature using the thermometer (this will be the temperature of the thermistor) and then you measure the readings off the ammeter and voltmeter. So you will have a temperature and a corresponding voltage and current value from which you can calculate the resistance. You do that across a range of temperatures.

    If the question specifies a range of temperatures, for example 0 to 100 degrees, then don't forget to include a means of lowering the temperature to below room temperature, e.g. using ice and stirring the water
    Okay thanks
 
 
 
  • See more of what you like on The Student Room

    You can personalise what you see on TSR. Tell us a little about yourself to get started.

  • Poll
    What's your favourite Christmas sweets?
  • See more of what you like on The Student Room

    You can personalise what you see on TSR. Tell us a little about yourself to get started.

  • The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

    Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

    Quick reply
    Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.