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Amateur Extra Class: 2020–2024
Today
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
Quick Index
Practice Test
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Element 4
E5
E5C
E5C02
E5C02:
How are impedances described in polar coordinates?
By X and R values
By real and imaginary parts
By phase angle and magnitude
By Y and G values
E5C01
E5C02
E5C03
E5C04
E5C05
E5C06
E5C07
E5C08
E5C09
E5C10
E5C11
E5C12