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Difference between revisions of "Ammeter"
 
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===About Ammeters===
 
===About Ammeters===
−
: [[Ammeter]]s are added in [[series]] to a [[circuit]] to find the [[Electrical Current|current]] flowing through the [[circuit]].
+
: [[Ammeter]]s are added in [[Series Circuit|series]] to a [[circuit]] to find the [[Electrical Current|current]] flowing through the [[circuit]].
 
: An ideal [[ammeter]] has zero [[Electrical Resistance|resistance]] because otherwise adding an [[ammeter]] to a [[circuit]] would change the [[Electrical Current|current]].
 
: An ideal [[ammeter]] has zero [[Electrical Resistance|resistance]] because otherwise adding an [[ammeter]] to a [[circuit]] would change the [[Electrical Current|current]].
 
: [[Ammeter]]s can be [[Analogue Ammeter|analogue]] with a needle pointing to numbers on a dial or it can be [[Digital Ammeter|digital]] with a number display.
 
: [[Ammeter]]s can be [[Analogue Ammeter|analogue]] with a needle pointing to numbers on a dial or it can be [[Digital Ammeter|digital]] with a number display.
Line 14: Line 14:
 
| style="height:20px; width:200px; text-align:center;" |An '''ammeter''' placed in [[Series Circuit|series]] with a [[Electrical Bulb|bulb]].
 
| style="height:20px; width:200px; text-align:center;" |An '''ammeter''' placed in [[Series Circuit|series]] with a [[Electrical Bulb|bulb]].
 
|}
 
|}
 +
 +
==Key Stage 4==
 +
===Meaning===
 +
An [[ammeter]] is a measuring device used to [[measure]] [[Electrical Current|electrical current]].
 +
 +
===About Ammeters===
 +
: [[Ammeter]]s are added in [[Series Circuit|series]] to a [[circuit]] to find the [[Electrical Current|current]] flowing through the [[circuit]].
 +
: An ideal [[ammeter]] has zero [[Electrical Resistance|resistance]] because otherwise adding an [[ammeter]] to a [[circuit]] would change the [[Electrical Current|current]].
 +
: [[Ammeter]]s can be [[Analogue Ammeter|analogue]] with a needle pointing to numbers on a dial or it can be [[Digital Ammeter|digital]] with a number display.
 +
 +
{| class="wikitable"
 +
|+Using an ammeter on components in series.
 +
|-
 +
|[[File:CircuitDiagramBatteryBulbBulbSeries.png|center|200px]]
 +
|[[File:CircuitDiagramBatteryBulbBulbSeries.png|center|200px]]
 +
|-
 +
| style="height:20px; width:200px; text-align:center;" |To [[measure]] the [[Electrical Current|current]] through bulb 1 the [[ammeter]] can be placed anywhere in this [[Series Circuit|series circuit]].
 +
| style="height:20px; width:200px; text-align:center;" |To [[measure]] the [[Electrical Current|current]] through bulb 2 the [[ammeter]] can be placed anywhere in this [[Series Circuit|series circuit]].
 +
|-
 +
|[[File:CircuitDiagramBatteryBulbBulbAmmeterSeries.png|center|200px]]
 +
|[[File:CircuitDiagramBatteryBulbBulbAmmeterSeries.png|center|200px]]
 +
|}
 +
 +
{| class="wikitable"
 +
|+Using an ammeter on components in parallel.
 +
|-
 +
|[[File:CircuitDiagramBatteryBulbBulbParallel2.png|center|200px]]
 +
|[[File:CircuitDiagramBatteryBulbBulbParallel2.png|center|200px]]
 +
|-
 +
| style="height:20px; width:200px; text-align:center;" |To [[measure]] the [[Electrical Current|current]] through bulb 1 the [[ammeter]] must be placed in [[Series Circuit|series]] with bulb 1.
 +
| style="height:20px; width:200px; text-align:center;" |To [[measure]] the [[Electrical Current|current]] through bulb 2 the [[ammeter]] must be placed in [[Series Circuit|series]] with bulb 2.
 +
|-
 +
|[[File:CircuitDiagramBatteryBulbAmmeterBulbParallel.png|center|200px]]
 +
|[[File:CircuitDiagramBatteryBulbBulbAmmeterParallel.png|center|200px]]
 +
|}
 +
 +
===References===
 +
====AQA====
 +
:[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Ammeter, pages 52-6, GCSE Physics; Student Book, Collins, AQA']
 +
:[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Ammeters, page 41, GCSE Physics, Hodder, AQA']
 +
:[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Ammeters, page 52, GCSE Physics; Third Edition, Oxford University Press, AQA']
 +
:[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe09675 ''Ammeters, pages 180, 239, GCSE Combined Science; The Revision Guide, CGP, AQA']
 +
:[https://www.amazon.co.uk/gp/product/178294558X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294558X&linkCode=as2&tag=nrjc-21&linkId=f0dfb66dafcb0c6e9449e7b1a4ae1ac15 ''Ammeters, pages 25, 106, GCSE Physics; The Revision Guide, CGP, AQA']
 +
:[https://www.amazon.co.uk/gp/product/1471851354/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851354&linkCode=as2&tag=nrjc-21&linkId=9012a0d354024419214fb3ad5ac44ba0 ''Ammeters, pages 293, 296, GCSE Combined Science Trilogy 1, Hodder, AQA']
 +
:[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Ammeters, pages 60, 61, 235, GCSE Combined Science Trilogy; Physics, CGP, AQA']
 +
:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Ammeters, pages 62, 63, 331, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA']
 +
:[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Ammeters; circuit symbol, page 38, GCSE Physics, Hodder, AQA']
 +
====Edexcel====
 +
:[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Ammeters, page 142, GCSE Physics, Pearson Edexcel '']
 +
:[https://www.amazon.co.uk/gp/product/1292120193/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120193&linkCode=as2&tag=nrjc-21&linkId=572df39392fb4200db8391d98ae6314e ''Ammeters, page 382, GCSE Combined Science, Pearson Edexcel '']
 +
:[https://www.amazon.co.uk/gp/product/1782945741/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945741&linkCode=as2&tag=nrjc-21&linkId=30da4f2178da182547b62a7329d13b57 ''Ammeters, pages 186, 210, GCSE Combined Science; The Revision Guide, CGP, Edexcel '']
 +
:[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Ammeters, pages 220, 338, GCSE Physics, CGP, Edexcel '']
 +
:[https://www.amazon.co.uk/gp/product/1782945733/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945733&linkCode=as2&tag=nrjc-21&linkId=2a2dbec9db6bf5766c0458d908fa0a52 ''Ammeters, pages 73, 106, GCSE Physics; The Revision Guide, CGP, Edexcel '']
 +
 +
====OCR====
 +
 +
:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Ammeters, pages 102-103, 259, Gateway GCSE Physics, Oxford, OCR '']
 +
:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Ammeters, pages 178, 224, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR  '']
 +
:[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Ammeters, pages 45, 49, 105, Gateway GCSE Physics; The Revision Guide, CGP, OCR  '']

Latest revision as of 10:37, 30 November 2019

Key Stage 3

Meaning

A picture showing an analogue ammeter.

An ammeter is a measuring device used to measure electrical current.

About Ammeters

Ammeters are added in series to a circuit to find the current flowing through the circuit.
An ideal ammeter has zero resistance because otherwise adding an ammeter to a circuit would change the current.
Ammeters can be analogue with a needle pointing to numbers on a dial or it can be digital with a number display.
Circuit+Diagram2.png
An ammeter placed in series with a bulb.

Key Stage 4

Meaning

An ammeter is a measuring device used to measure electrical current.

About Ammeters

Ammeters are added in series to a circuit to find the current flowing through the circuit.
An ideal ammeter has zero resistance because otherwise adding an ammeter to a circuit would change the current.
Ammeters can be analogue with a needle pointing to numbers on a dial or it can be digital with a number display.
Using an ammeter on components in series.
CircuitDiagramBatteryBulbBulbSeries.png
CircuitDiagramBatteryBulbBulbSeries.png
To measure the current through bulb 1 the ammeter can be placed anywhere in this series circuit. To measure the current through bulb 2 the ammeter can be placed anywhere in this series circuit.
CircuitDiagramBatteryBulbBulbAmmeterSeries.png
CircuitDiagramBatteryBulbBulbAmmeterSeries.png
Using an ammeter on components in parallel.
CircuitDiagramBatteryBulbBulbParallel2.png
CircuitDiagramBatteryBulbBulbParallel2.png
To measure the current through bulb 1 the ammeter must be placed in series with bulb 1. To measure the current through bulb 2 the ammeter must be placed in series with bulb 2.
CircuitDiagramBatteryBulbAmmeterBulbParallel.png
CircuitDiagramBatteryBulbBulbAmmeterParallel.png

References

AQA

Ammeter, pages 52-6, GCSE Physics; Student Book, Collins, AQA'
Ammeters, page 41, GCSE Physics, Hodder, AQA'
Ammeters, page 52, GCSE Physics; Third Edition, Oxford University Press, AQA'
Ammeters, pages 180, 239, GCSE Combined Science; The Revision Guide, CGP, AQA'
Ammeters, pages 25, 106, GCSE Physics; The Revision Guide, CGP, AQA'
Ammeters, pages 293, 296, GCSE Combined Science Trilogy 1, Hodder, AQA'
Ammeters, pages 60, 61, 235, GCSE Combined Science Trilogy; Physics, CGP, AQA'
Ammeters, pages 62, 63, 331, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA'
Ammeters; circuit symbol, page 38, GCSE Physics, Hodder, AQA'

Edexcel

Ammeters, page 142, GCSE Physics, Pearson Edexcel
Ammeters, page 382, GCSE Combined Science, Pearson Edexcel
Ammeters, pages 186, 210, GCSE Combined Science; The Revision Guide, CGP, Edexcel
Ammeters, pages 220, 338, GCSE Physics, CGP, Edexcel
Ammeters, pages 73, 106, GCSE Physics; The Revision Guide, CGP, Edexcel

OCR

Ammeters, pages 102-103, 259, Gateway GCSE Physics, Oxford, OCR
Ammeters, pages 178, 224, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR
Ammeters, pages 45, 49, 105, Gateway GCSE Physics; The Revision Guide, CGP, OCR
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