Physics thermistor coursework

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Physics thermistor coursework

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Images can be formed with many kinds of signals, including ultrasound and all regions of the electromagnetic spectrum Images can be recorded electronically by microsensors; an example is the charge-coupled device ccd ; such images are composed of discrete picture elements - pixels Images on the atomic scale can be recorded by scanning methods; an example is the scanning tunnelling microscope STM The resolution of an image is the smallest distance over which a change can be seen.

To be able to discuss the tolerance of resistors; to be able to describe and explain Physics thermistor coursework resistances add up in parallel and series; to be able to describe the relationship between resistance and conductance and to know the unit Siemens.

This straightforward lesson gives practice in using equipment such as digital multimeters and in taking measurements. Begin with E Using a digital multimeter to measure resistance. Pool class results and ask pupils to plot a graph and calculate average tolerance values at home. Then move on to E Resistors in series and parallel which also introduces conductance if the Advancing Physics sheets are used.

Lesson 4 Power Objectives: Being able to explain the link between resistors, energy dissipated, current, potential difference and power. This lesson Physics thermistor coursework much builds on the previous work on electrical definitions and resistance and is the final piece of the jigsaw before moving on to sensors in a more real sense.

Stress these characteristics do not need to be learned, but pupils should be able to explain how they arise. Lesson 5 Characteristics Objective: To be able to describe and explain the characteristics of a simple sensor system in terms of potential difference and resistance and be able to discuss the best voltmeter for a certain task.

A circus of suitable activities has been chosen using the Teaching Scheme, based on E. Pupils can carry this out but close attention needs to be paid to the questions being asked at each stage.

There is also a worksheet to assist students in recording their ideas. There should be time at the end for a discussion of the experiments. If you get stuck Histogram and tolerance of resistance values S Circuit resistance S Electrical characteristics of a resistor Pooh S Combining resistors SS Selection of graph plotting exercises about component characteristics Christopher Robin.

Quick check - do you know Need to match sensor with detector, taking account of potential difference to be detected, resistance of source and detector, rapidity of change of signal. Existence of a range of kinds of sensor and of quantities able to be sensed.

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To be able to calculate the output of a potential divider circuit; to be able to explain how a potential divider can be used to change the sensitivity of a sensor circuit. Pupils should be able to use the equation or a similar ratio argument to predict the output of potential dividers.

Experiment 4 in this activity will have already been attempted LDR and thermistor though it will be essential to revisit these results in the light of what has just been discovered.

Questions on p44 of the Student Book are good for checking understanding in class. Pooh S Loading the potential divider Christopher Robin S Lamp and resistor in series Quick check - do you know a potential divider 'potentiometer' can be used as a linear or angular displacement sensor a potential divider splits the p.

Physics thermistor coursework

Understand the terms emf, load and internal resistance; be able to describe and explain the behaviour of a power supply with high internal resistance in different conditions. To be able to use this knowledge in planning sensing circuits Activities: Set the scene by demonstrating the operation of a normal magnetic microphone, whose ouput can be seen on a CRO, and a crystal microphone whose cannote.

This is because of its high internal resistance. This shows that if the source has a high internal resistance it is difficult to detect the output and this can be a problem in sensing systems.

Then try E Internal resistance of a source of emf, the famous potato experiment. Most pupils should be happy attempting S Internal resistance of power supplies. Before moving on to the team tasks, activities like X Using a sensor in a potential divider and X Filament lamp and thermistor in series could be used to check understanding and to encourage pupils to work in small groups.

There are 4 lessons for this activity, and I suggest 3 for practical work and 1 for feedback of insights into obstacles, sensitivity, bias, errors etc. Choose from any in the scheme that you feel would suit the students, but remember some of the activities are similar to those for the coursework project.What you need to know for GCSE Science and Additional Science for GCSE Physics.

Revise GCSE Physics GCSE Physics Topics: The Solar System and Beyond. Electricity. Electromagnetism. Electrostatic Charge. Energy Transfer.

Physics thermistor coursework

Equations. Forces . Feb 05,  · GCSE Physics Thermistor ISA? I'm doing my Physics ISA on Monday (in 2 days) about the affect of temperature on the resistance of a thermistor and I've been planning the type of answers to write for the questions but Status: Resolved.

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VCE Physics: Sample teaching plan Sample Course Outline – VCE Physics Unit 1: What ideas explain the physical world? Note: This is a sample guide only and indicates one way to present the content from the Study Design over the weeks in each school term.

The most popular series for GCSE has been updated to offer comprehensive coverage of the revised GCSE specifications. Physics for You, has been updated in /5(6). temperature coefficient (NTC) thermistor connected in a potential divider with a kO resistor. The voltage across the thermistor is measured and the temperature derived from this.

Physics coursework. Jaypal Sandhu 12c. How does different temperatures affect the resistance of a metal wire/thermistor.

Aim (preliminary): The preliminary aim of my coursework was to measure what affect different temperatures have on the change in resistance of a copper wire.

Physics coursework:Thermistor's - The Student Room