CENGAGE Physics for Scientists and Engineers Storyline Tenth Edition Raymond A. Serway & John W. Jewett, Jr., Physics for Scientists and Engineers, Tenth Edition. O 2021 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 33 Electromagnetic Waves CENGAGE Raymond A. Serway & John W. Jewett, Jr., Physics for Scientists and Engineers, Tenth Edition. O 2021 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Displacement Current and the General Form of Ampère's Law (1 of 2) CENGAGE = MI I = dq/dt dQE d I₁₁ = ε0 dt fj [√] B · ds = µ₁ (I + I ₁) d = MI + με doF dt E The conduction current I in the wire passes only through S₁, which leads to a contradiction in Ampère's law that is resolved only if one postulates a displacement current through S2. Path P S₂ -9 S1 © 2021 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Displacement Current and the General Form of Ampère's Law (2 of 2) Þ₁ = √Ē · dà = EA Φ E E = q The electric field lines between the plates create an electric flux through surface S. I CENGAGE Φ, E = = EA: = q E dQE dq d I₁ = εo dt dt E 9 -q I S © 2021 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Quick Quiz 33.1 Part I (1 of 2) In an RC circuit, the capacitor begins to discharge. During the discharge, in the region of space between the plates of the capacitor, there is/are (a) conduction current but no displacement current (b) displacement current but no conduction current (c) both conduction and displacement current (d) no current of any type CENGAGE © 2021 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.