Electrical Transformer - Revision history

Ellen References at 12:45, 14 November 2019

2019-11-14T12:45:58Z

NRJC: /* Example Calculations */

2019-03-05T14:06:06Z

‎Example Calculations

NRJC at 14:04, 5 March 2019

2019-03-05T14:04:50Z

NRJC: Created page with "==Key Stage 4== ===Meaning=== A picture of a '''transformer''' in the [[National Grid.]] A '''transformer''' is a device used to tak..."

2019-03-05T13:11:09Z

Created page with "==Key Stage 4== ===Meaning=== right|300px|thumb|A picture of a '''transformer''' in the [[National Grid.]] A '''transformer''' is a device used to tak..."

New page

==Key Stage 4==
===Meaning===
[[File:Transformer.png|right|300px|thumb|A picture of a '''transformer''' in the [[National Grid]].]]
A '''transformer''' is a device used to take the [[Alternating Current|alternating current]] in a [[circuit]] and transmit it to another [[circuit]] to produce [[electricity]] with a different [[Potential Difference|potential difference]] and [[Electrical Current|current]].

===About Transformers===
: '''Transformers''' use a coil of [[wire]] in one [[circuit]] (primary coil) wrapped around a [[Soft Iron|soft iron]] core and second coil of [[wire]] in another [[circuit]] (secondary coil). When an [[Alternating Current|alternating current]] passes through the primary coil this creates a changing [[Magnetic Field|magnetic field]] which induces an alternating [[Potential Difference|potential difference]] across the secondary coil. If that secondary coil is connected in a [[circuit]] it will produce an [[Alternating Current|alternating current]].

{| class="wikitable"
|-
|[[File:TransformerDiagram.png|center|600px]]
|-
| style="height:20px; width:200px; text-align:center;" |This [[diagram]] of a '''transformer''' shows that an [[Alternating Current|alternating current]] in the primary coil induces an alternating [[Potential Difference|potential difference]] in the secondary coil.
|}

← Older revision		Revision as of 12:45, 14 November 2019
Line 83:		Line 83:
	<math>V_s = 12V</math>		<math>V_s = 12V</math>
	\|}		\|}
		+
		+	===References===
		+	====AQA====
		+
		+	:[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Transformer, page 130, GCSE Chemistry; Student Book, Collins, 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 ''Transformer, pages 68-9, 243, 264-5, 267, GCSE Physics; Student Book, Collins, 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 ''Transformer; step-down, pages 243, 264-5, GCSE Physics; Student Book, Collins, 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 ''Transformer; step-up, pages 243, 264-5, GCSE Physics; Student Book, Collins, 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=ad276ad49df77ab4b40ab4fd0fe10369 ''Transformers, page 191, GCSE Combined Science; 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 ''Transformers, page 309, GCSE Combined Science Trilogy 1, Hodder, 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 ''Transformers, pages 308-312, GCSE Physics; The Complete 9-1 Course for AQA, 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=f0dfb66dafcb0c6e9449e7b1a4ae1ac459 ''Transformers, pages 34, 98, GCSE Physics; The Revision Guide, 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 ''Transformers, pages 55, 236-7, 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 ''Transformers, pages 64, 226-229, GCSE Physics; Third Edition, Oxford University Press, 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 ''Transformers, pages 92, 93, 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 ''Transformers; in the national grid, pages 95, 310, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA '']

@@ Line 74: / Line 74: @@
 | style="height:20px; width: 300px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
-<math>0.5 \times V_s = 3</math>
+<math>3 = 0.5 \times V_s</math>
 <math>V_s = 6V</math>
 | style="height:20px; width: 300px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
-<math>0.75 \times V_s = 9</math>
+<math>9 = 0.75 \times V_s</math>
 <math>V_s = 12V</math>
 |}

@@ Line 6: / Line 6: @@
 ===About Transformers===
 : '''Transformers''' use a coil of [[wire]] in one [[circuit]] (primary coil) wrapped around a [[Soft Iron|soft iron]] core and second coil of [[wire]] in another [[circuit]] (secondary coil). When an [[Alternating Current|alternating current]] passes through the primary coil this creates a changing [[Magnetic Field|magnetic field]] which induces an alternating [[Potential Difference|potential difference]] across the secondary coil. If that secondary coil is connected in a [[circuit]] it will produce an [[Alternating Current|alternating current]].
 {| class="wikitable"
@@ Line 12: / Line 16: @@
 |-
 | style="height:20px; width:200px; text-align:center;" |This [[diagram]] of a '''transformer''' shows that an [[Alternating Current|alternating current]] in the primary coil induces an alternating [[Potential Difference|potential difference]] in the secondary coil.
 |}