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Questions and Answers
In wave propagation, which of the following is true about wave impedance?
In wave propagation, which of the following is true about wave impedance?
- It is a passive device that allows simultaneous transmit and receive operations
- It is the ratio of the electric field to the magnetic field (correct)
- It is equal to the relative permeability of a non-magnetic medium
- It is inversely proportional to the electric field intensity
What is the correct term for a passive device that frequency multiplexes two ports into one port and allows simultaneous transmit and receive operation?
What is the correct term for a passive device that frequency multiplexes two ports into one port and allows simultaneous transmit and receive operation?
- High-pass filter
- Signal multiplexer
- Diplexer (correct)
- Triplexer
The orientation of the electric field radiated from a transmitting antenna is based on:
The orientation of the electric field radiated from a transmitting antenna is based on:
- Antenna's linear orientation (correct)
- None of the choices
- Intensity of the applied current that induced magnetic flux
- Earth's magnetic field
Which of the following is a good surface for ground wave propagation?
Which of the following is a good surface for ground wave propagation?
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What affects the ionosphere thickness, height, and density?
What affects the ionosphere thickness, height, and density?
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