Relative Permittivity - Revision history

NRJC: /* Equation */

2019-09-07T15:14:42Z

‎Equation

NRJC: /* Equation */

2019-09-07T15:09:57Z

‎Equation

NRJC at 15:03, 7 September 2019

2019-09-07T15:03:39Z

NRJC: Created page with "==Key Stage 5== ===Meaning=== '''Relative Permittivity''' is the ratio of the Permittivity of a medium compared to the Permittivity of Free Space. ===About Re..."

2019-09-07T15:01:58Z

Created page with "==Key Stage 5== ===Meaning=== '''Relative Permittivity''' is the ratio of the Permittivity of a medium compared to the Permittivity of Free Space. ===About Re..."

New page

==Key Stage 5==
===Meaning===
'''Relative Permittivity''' is the [[ratio]] of the [[Permittivity]] of a [[medium]] compared to the [[Permittivity of Free Space]].

===About Relative Permittivity===
: '''Relative permittivity

← Older revision		Revision as of 15:14, 7 September 2019
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	===Equation===		===Equation===
	: When an [[Electrostatic Field\|electrostatic field]] propagates through a [[medium]] which is not the [[vacuum]] the [[permittivity]] of that [[medium]] is given by the product of its '''relative permittivity''' and the [[Permittivity of Free Space\|permittivity of free space]].		: When an [[Electrostatic Field\|electrostatic field]] propagates through a [[medium]] which is not the [[vacuum]] the [[permittivity]] of that [[medium]] is given by the product of its '''relative permittivity''' and the [[Permittivity of Free Space\|permittivity of free space]].
		+
		+	<math>\varepsilon=\varepsilon_r\varepsilon_0</math>
		+
		+	Therefore
		+
		+	<math>\varepsilon_r=\dfrac{\varepsilon}{\varepsilon_0}</math>
		+
		+	===Example Media===
		+	{\| class="wikitable"
		+
		+	\|-
		+	\| style="height:20px; width:200px; text-align:center;" \|[[Medium]]
		+	\| style="height:20px; width:200px; text-align:center;" \|'''Relative Permittivity'''
		+	\|-
		+	\| style="height:20px; width:200px; text-align:center;" \|Air
		+	\| style="height:20px; width:200px; text-align:center;" \|1.00054
		+	\|-
		+	\| style="height:20px; width:200px; text-align:center;" \|Glass
		+	\| style="height:20px; width:200px; text-align:center;" \|4.7
		+	\|-
		+	\| style="height:20px; width:200px; text-align:center;" \|Water (at 0°C)
		+	\| style="height:20px; width:200px; text-align:center;" \|88
		+	\|-
		+	\| style="height:20px; width:200px; text-align:center;" \|Steam (at 100°C)
		+	\| style="height:20px; width:200px; text-align:center;" \|55
		+	\|}

← Older revision		Revision as of 15:09, 7 September 2019
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	===Equation===		===Equation===
−	~~The '''~~permittivity~~'''~~ of a [[medium]] is the [[~~product~~]] of	+	: When an [[Electrostatic Field\|electrostatic field]] propagates through a [[medium]] which is not the [[vacuum]] the [[permittivity]] of that [[medium]] is given by the product of its '''relative permittivity''' and the [[Permittivity of Free Space\|permittivity of free space]].

← Older revision		Revision as of 15:03, 7 September 2019
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	===About Relative Permittivity===		===About Relative Permittivity===
−	: '''Relative permittivity	+	: '''Relative permittivity''' of a [[medium]] is denoted with the Greek letter epsilon followed by a subscript of r (<math>\varepsilon_r</math>).
		+	: '''Relative permittivity''' has no units.
		+
		+	===Equation===
		+	The '''permittivity''' of a [[medium]] is the [[product]] of