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</p> Signup and view all the answers

    What is a common characteristic of microstrip applications?

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

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

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

    What is the mathematical expression for the magnetic Lorentz force?

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

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

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

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

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

    In what application area is induction cooking commonly used?

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

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

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

    What physical quantity does the vector potential 𝐴Ԧ represent?

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

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

    <p>TMM</p> Signup and view all the answers

    What type of waves are associated with radiation from antennas?

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

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

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

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