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Amateur Extra Class: 2020–2024
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Sections
E1: Commission's Rules
E2: Operating Procedures
E3: Radio Wave Propagation
E4: Amateur Practices
E5: Electrical Principles
E6: Circuit Components
E7: Practical Circuits
E8: Signals and Emissions
E9: Antennas and Transmission Lines
E0: Safety
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Element 4
E5
E5B
E5B03
E5B03:
How is impedance in polar form converted to an equivalent admittance?
Take the reciprocal of the angle and change the sign of the magnitude
Take the reciprocal of the magnitude and change the sign of the angle
Take the square root of the magnitude and add 180 degrees to the angle
Square the magnitude and subtract 90 degrees from the angle
E5B01
E5B02
E5B03
E5B04
E5B05
E5B06
E5B07
E5B08
E5B09
E5B10
E5B11
E5B12