ISRO Electronics & Communication (ECE) 2008 - Question 74

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Topic: Electromagnetics

Maxwell's equations establish the relationship between E,D,H and $\overline{B}$ any point in a continuous medium. When we move from one medium to another, then which of the following statement is correct

  • A. At the boundary separating the two media, the tangential components of E and H are continuous
  • B. At the boundary separating the two media the tangential components of only $\overline{E}$ are continuous
  • C. If there are surface charges present on the boundary then normal component of $\overline{D}$ continuous
  • D. If there are no surface charges then normal component of $\overline{D}$ is discontinuous

Answer: B. At the boundary separating the two media the tangential components of only $\overline{E}$ are continuous

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