Jens Förstner Universität Paderborn - Theoretical Electrical Engineering Quiz
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Questions and Answers

What type of applications are coax waveguides commonly used for?

  • On-Board communication
  • Planar lines
  • Signal measurement (correct)
  • Wire pair waveguides

Which frequency range are hollow waveguides typically designed to operate within?

  • 10Gbit/s
  • 3-300GHz (correct)
  • 1kHz-10GHz
  • 10base2

What is a key characteristic of antenna characteristics in HF integrated circuits?

  • Simple
  • Low loss
  • Cheap
  • Low interference (correct)

In which application would you most likely find Ethernet (old) 10base2 and BNC connectors?

<p>Radio and TV (C)</p> Signup and view all the answers

What is a common characteristic of microstrip applications?

<p>Integrable as signal line (D)</p> Signup and view all the answers

For what purpose are UTP cables like VictronDatenkabel RJ45 typically used?

<p>On-Board communication (D)</p> Signup and view all the answers

What is the mathematical expression for the magnetic Lorentz force?

<p>𝐹 = 𝑄𝑣 × B (D)</p> Signup and view all the answers

What does the mathematical expression curl 𝐵 = 𝜇0 𝐽Ԧ𝑚 represent?

<p>Current distribution (C)</p> Signup and view all the answers

Which law is described by the equation div 𝐵 = 0?

<p>Gauss's Law for Magnetism (C)</p> Signup and view all the answers

In what application area is induction cooking commonly used?

<p>Induction cooking (B)</p> Signup and view all the answers

What does the mathematical expression curl 𝐸 = −𝜕𝑡 𝐵 describe?

<p>Change in electric field over time (D)</p> Signup and view all the answers

What physical quantity does the vector potential 𝐴Ԧ represent?

<p>Magnetic flux density (A)</p> Signup and view all the answers

What is the range of frequencies for which hollow waveguides can be used for applications such as microwave ovens and satellite communication?

<p>1-200 GHz (C)</p> Signup and view all the answers

Which of the following is NOT a type of waveguide mode mentioned in the text?

<p>TMM (C)</p> Signup and view all the answers

What type of waves are associated with radiation from antennas?

<p>Spherical waves (B)</p> Signup and view all the answers

In the context of waveguides, what does TE stand for?

<p>Transverse Electric (C)</p> Signup and view all the answers

What is one of the methods mentioned for solving the inhomogeneous wave equation to understand the radiation of electromagnetic fields?

<p>Transfer Matrix Method (TMM) (A)</p> Signup and view all the answers

Which type of antenna characteristic is associated with the shape of electromagnetic field distribution around the antenna?

<p>Directivity (D)</p> Signup and view all the answers

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