ম্যাক্সওয়েলের সমীকরণসমূহ: সংশোধিত সংস্করণের মধ্যে পার্থক্য

[[তড়িৎ-চৌম্বকীয় তত্ত্ব|তড়িৎ-চৌম্বকীয় তত্ত্বে]], [[জেমস ক্লার্ক ম্যাক্সওয়েল]] বর্ণিত চারটি সমীকরণ '''ম্যাক্সওয়েলের সমীকরণসমূহ''' নামে পরিচিত। এই সমীকরণ গুলো [[তাড়িতচৌম্বক ক্ষেত্র|তড়িৎ এবং চুম্বক ক্ষেত্রের]] বৈশিষ্ট্য এবং [[পদার্থ|পদার্থের]] আন্তঃসংযোগসমূহ বর্ণনা করে।

 

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| [[অঁপেরের বর্তনী বিধি]]<br /> (ম্যাক্সওয়েলের সংশোধনসহ):

| <math>\oint_{\partial S} \mathbf{H} \cdot \mathrm{d}\mathbf{l} = I_{f,S} + \frac {\partial \Phi_{D,S}}{\partial t}

</math>

|}

 

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নিচের সারণীতে প্রতিটি প্রতীকের অর্থ এবং পরিমাপের আন্তর্জাতিক একক (এসআই) দেয়া হল:

 

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! পরিমাপের এসআই একক

|-

| the [[divergence]] [[operator]]

|rowspan=2 | per meter (factor contributed by applying either operator)

|-

| the [[Curl (mathematics)|curl]] [[operator]]

|-

| [[partial derivative]] with respect to time

| per second (factor contributed by applying the operator)

|-

| [[electric field]]

| [[volt]] per [[meter]] or, equivalently, <br /> [[newton]] per [[coulomb]]

|-

| [[magnetic field]] <br /> also called the magnetic induction <br /> also called the magnetic field density <br /> also called the magnetic flux density

| [[tesla (unit)|tesla]], or equivalently, <br /> [[weber (unit)|weber]] per [[square meter]]<br /> [[volt]]•[[second (unit)|second]] per [[square meter]]

|-

| [[electric displacement field]] <br /> also called the electric flux density

| [[coulomb]]s per [[square meter]] or, equivalently, <br /> [[newton]] per [[volt]]-[[meter]]

|-

| [[ampere]] per [[meter]]

|-

| permittivity of [[free space]], officially the [[electric constant]],<br /> a universal constant

| [[farads]] per meter

|-

| permeability of [[free space]], officially the [[magnetic constant]],<br /> a universal constant

| [[henries]] per meter, or Newtons per ampere squared

|-

| [[free charge|free]] [[charge density]] (not including [[bound charge]])

| [[coulomb]]s per [[cubic meter]]

|-

| total [[charge density]] (including both [[free charge|free]] and [[bound charge]])

| [[coulomb]]s per [[cubic meter]]

|-

| the [[electric flux|flux]] of the electric field through any closed [[gaussian surface]] S

| joule-meter per coulomb

|-

| net unbalanced [[free charge|free]] [[electric charge]] enclosed by the<br />Gaussian surface S (not including [[bound charge]])

| coulombs

|-

| net unbalanced [[electric charge]] enclosed by the Gaussian<br />surface S (including both [[free charge|free]] and [[bound charge]])

| coulombs

|-

| the [[magnetic flux|flux]] of the magnetic field through any [[closed surface]] S

| tesla meters-squared or webers

|-

| [[line integral]] of the electric field along the boundary ∂S<br />(therefore necessarily a closed curve) of the surface S

| joules per coulomb

|-

| [[magnetic flux]] through any surface S (not necessarily closed)

| [[weber (unit)|webers]] or equivalently, <br /> volt-seconds

|-

| [[free current|free]] [[current density]] (not including [[bound current]])

| amperes per square meter

|-

| total [[current density]] (including both [[free current|free]] and [[bound current]])

| amperes per square meter

|-

| [[line integral]] of the magnetic field over<br /> the closed boundary ∂S of the surface S

| tesla-meters

|-

| net [[free current|free]] [[electrical current]] passing through<br />the surface S (not including [[bound current]])

| amperes

|-

| net [[electrical current]] passing through the<br />surface S (including both [[free current|free]] and [[bound current]])

| amperes

|-

| [[electric flux]] through any surface S, not necessarily closed

| joule-meters per coulomb

|-

| flux of [[electric displacement field]] through any surface S, not necessarily closed

| coulombs

|-

| [[differential (infinitesimal)|differential]] vector element of surface area ''A'', with [[infinitesimal]]ly <br />

small magnitude and direction [[surface normal|normal]] to surface ''S''

| square meters

|-

| differential vector element of ''path length'' [[tangential]] to the path/curve

| meters

{{অসম্পূর্ণ}}

 

 

[[af:Maxwell se vergelykings]]

[[cs:Maxwellovy rovnice]]

[[da:Maxwells ligninger]]

[[el:Εξισώσεις Μάξγουελ]]

[[en:Maxwell's equations]]