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Certified Radio-Trician's Course
© 1931, National Radio Institute

Fundamental Principles of Radio Forward What is Electricity? Magnets and Magnetism Radio Waves Production of Radio Waves Tuning a Receiver From Transmitter to Receiver Apparatus Used in a Radio Receiver Test Questions The Language of Radio-Tricians Forward Photographs, Sketches and Diagrams Radio Symbols--Radio Diagrams Tables Graphs Equations Dr. G. E. Ohm's Equation Formulas Radio Symbols Test Questions Generation of Electricity Forward Generation of Electricity Static and Dynamic Electricity Electrostatic Charges Electron Theory Applied to Charges Dynamic Electricity Thermoelectricity Electricity by Chemical Action Primary Batteries A Simple Primary Cell Quantity of Electricity Connecting Cells and Batteries Storage Batteries The Lead Cell The Action Occurring in the Lead Cell The Edison Battery A. C. Generators Electromagnetic Induction D. C. Generators Test Questions Simple Circuits Forward Simple Circuits Conductors and Insulators Resistance in Conductors Characteristics of Series Circuits Characteristics of Parallel Circuits Radio Circuits Electrical Measurements The D. C. Ammeter The D. C. Voltmeter A. C. Meters Test Questions Resistance in Simple Circuits Forward Resistances in Simple Circuits Measuring Resistances Calculating Resistances Effect of Temperature on Resistances Power What Happens When a Resistor is Connected to an A.C. Voltage Power Lost in a Resistor when Supplied with A.C. Radio Resistances in Every Day Use Test Questions Radio Coils and How They Work Forward Magnetic Effect of Current Flow Mutual Inductance Self-Induction Inductance The Units of Inductance Inductance of R.F. Coils Inductive Reactance The Effect of Inductance on Phase Inductance in the Radio Receiver Test Questions Capacity Forward Capacity Action of a Condenser Charging of a Condenser Discharging a Condenser Alternating Current Flow in a Condenser Circuit Oscillatory Circuits Measures of Capacity Dielectric Constant Capacities in Parallel and in Series Capacitive Reactance Phase Relation of Voltage and Current in A.C. Circuits Resonance Types of Names of Radio Condensers Test Questions The Vacuum Tube Forward The Simple Vacuum Tube The Effect of Gas in a Tube The 3-Element Tube Tube Designation Tube Bases The '01A Tube A.C. Filament Tubes Power and Rectifier Tubes Screen Grid Tubes The Pentode Tube Uses of the Vacuum Tube Test Questions Radio Transformers and the Principles of Tuning Forward Mutual Induction Between Coils Transformers The Effect of Mutual Induction on Inductance Impedance in Series Resonance Reactances in Parallel Circuits Comparison of Series and Parallel Resonance Test Questions How a Three Element Tube Amplifies Forward Test Questions Magnetic Circuits Forward Test Questions Diode as a Rectifier, A-B-C Supplies, Part 1 Forward Test Questions Diode as a Rectifier, A-B-C Supplies, Part 2 Forward Test Questions Sound Forward Test Questions Triode as an Audio Amplifier Forward Test Questions Triode as an R. F. Amplfier Forward Test Questions Vacuum Tube as an R. F. Detector Forward Test Questions Tetrode, Pentode and Variable Mu Tubes Forward Test Questions Simple Radio Circuits Forward Test Questions R. F. Amplifier Systems Forward Test Questions Oscillators Forward Test Questions Cascade Tuning Filter Theory Forward Test Questions Superheterodyne Principles Forward Test Questions Receiver Performance, Typical Broadcast Receivers Forward Test Questions Photocells and Glow Lamps Forward Test Questions Loudspeakers Forward Test Questions Loudspeakers, Tone and Output Control Devices Forward Test Questions Current Measuring Devices Forward Test Questions Voltage, Resistance and Power Measurements Forward Test Questions Resistance, Capacity, Inductance and Frequency Measurements Forward Test Questions Receiver Refinements Forward Test Questions Short Wave Receivers and Transmitters Forward Test Questions Transmitting Antennas and their Radiation Characteristics Forward Test Questions Design of Power Audio Amplifiers Forward Test Questions A Typical Broadcast Station Forward Test Questions