Ham Radio Exam Prep
Current Ham Radio Test Pools
Technician License 2018-2022
Free Practice Test: Technician
General License 2019-2023
Free Practice Test: General
Amateur Extra License 2020-2024
Free Practice Test: Amateur Extra
Gallery
Resources
LIVE
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
Help support WaveTalkers using
Buy Me A Coffee!
Element 4
E8
E8B
E8B01
E8B01:
What is the modulation index of an FM signal?
The ratio of frequency deviation to modulating signal frequency
The ratio of modulating signal amplitude to frequency deviation
The type of modulation used by the transmitter
The bandwidth of the transmitted signal divided by the modulating signal frequency
E8B01
E8B02
E8B03
E8B04
E8B05
E8B06
E8B07
E8B08
E8B09
E8B10
E8B11