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The effective permittivity <math>\epsilon</math> and permeability <math>\mu</math> per unit length of the line are frequently given as dimensionless constants; [[relative permittivity]]: <math>\epsilon_\text{r}</math> and [[magnetic permeability|relative permeability]]: <math>\mu_\text{r}</math> equal to the ratio of these parameters compared to the universal constants <math>\epsilon_\text{0}</math> and <math>\mu_\text{0}</math> |
The effective permittivity <math>\epsilon</math> and permeability <math>\mu</math> per unit length of the line are frequently given as dimensionless constants; [[relative permittivity]]: <math>\epsilon_\text{r}</math> and [[magnetic permeability|relative permeability]]: <math>\mu_\text{r}</math> equal to the ratio of these parameters compared to the universal constants <math>\epsilon_\text{0}</math> and <math>\mu_\text{0}</math> |
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:<math>\epsilon_\text{r} = |
:<math>\epsilon_\text{r} = \epsilon/\epsilon_\text{0} \qquad \mu_\text{r} = \mu/\mu_\text{0}</math> |
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so the phase velocity is |
so the phase velocity is |
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:<math>v_\text{p} = {1 \over \sqrt{\epsilon\mu}} = {1 \over \sqrt{\epsilon_\text{0}\epsilon_\text{r}\mu_\text{0}\mu_\text{r}}} = c{1 \over \sqrt{\epsilon_\text{r}\mu_\text{r}}}</math> |
:<math>v_\text{p} = {1 \over \sqrt{\epsilon\mu}} = {1 \over \sqrt{\epsilon_\text{0}\epsilon_\text{r}\mu_\text{0}\mu_\text{r}}} = c{1 \over \sqrt{\epsilon_\text{r}\mu_\text{r}}}</math> |
Copy and paste: – — ° ′ ″ ≈ ≠ ≤ ≥ ± − × ÷ ← → · § Cite your sources: <ref></ref>
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Latin: A a Á á À à  â Ä ä Ǎ ǎ Ă ă Ā ā à ã Å å Ą ą Æ æ Ǣ ǣ B b C c Ć ć Ċ ċ Ĉ ĉ Č č Ç ç D d Ď ď Đ đ Ḍ ḍ Ð ð E e É é È è Ė ė Ê ê Ë ë Ě ě Ĕ ĕ Ē ē Ẽ ẽ Ę ę Ẹ ẹ Ɛ ɛ Ǝ ǝ Ə ə F f G g Ġ ġ Ĝ ĝ Ğ ğ Ģ ģ H h Ĥ ĥ Ħ ħ Ḥ ḥ I i İ ı Í í Ì ì Î î Ï ï Ǐ ǐ Ĭ ĭ Ī ī Ĩ ĩ Į į Ị ị J j Ĵ ĵ K k Ķ ķ L l Ĺ ĺ Ŀ ŀ Ľ ľ Ļ ļ Ł ł Ḷ ḷ Ḹ ḹ M m Ṃ ṃ N n Ń ń Ň ň Ñ ñ Ņ ņ Ṇ ṇ Ŋ ŋ O o Ó ó Ò ò Ô ô Ö ö Ǒ ǒ Ŏ ŏ Ō ō Õ õ Ǫ ǫ Ọ ọ Ő ő Ø ø Œ œ Ɔ ɔ P p Q q R r Ŕ ŕ Ř ř Ŗ ŗ Ṛ ṛ Ṝ ṝ S s Ś ś Ŝ ŝ Š š Ş ş Ș ș Ṣ ṣ ß T t Ť ť Ţ ţ Ț ț Ṭ ṭ Þ þ U u Ú ú Ù ù Û û Ü ü Ǔ ǔ Ŭ ŭ Ū ū Ũ ũ Ů ů Ų ų Ụ ụ Ű ű Ǘ ǘ Ǜ ǜ Ǚ ǚ Ǖ ǖ V v W w Ŵ ŵ X x Y y Ý ý Ŷ ŷ Ÿ ÿ Ỹ ỹ Ȳ ȳ Z z Ź ź Ż ż Ž ž ß Ð ð Þ þ Ŋ ŋ Ə ə
Greek: Ά ά Έ έ Ή ή Ί ί Ό ό Ύ ύ Ώ ώ Α α Β β Γ γ Δ δ Ε ε Ζ ζ Η η Θ θ Ι ι Κ κ Λ λ Μ μ Ν ν Ξ ξ Ο ο Π π Ρ ρ Σ σ ς Τ τ Υ υ Φ φ Χ χ Ψ ψ Ω ω {{Polytonic|}}
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