The Electrical Fundamentals of Communication |
Contents
Preface CHAPTER I The Fundamentals of Electronics | 1 |
Direct Current | 15 |
Conductors Resistors and Insulators | 45 |
Copyright | |
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90 degrees alternating current alternating voltage alternating-current ammeter ampere amplifier angle antenna antiresonance audio battery bridge capacitive reactance capacitor cathode cause cell centimeter charge circuit of Fig coil component condenser conductor connected considered copper core current and voltage current flow curve cycles dielectric direct current direct-current effective resistance effective value elec electrolytic electromagnetic wave electromotive force electrons energy equal equation explained filament flux frequency Imax impressed voltage inductor input impedance instrument insulation internal resistance iron lines of force load magnetic field magnetomotive force maximum measured metal milliamperes modulation negative ohms open-circuited oscillator output parallel circuit phase plate current plate resistance plate voltage positive produced R₁ radio rectifier resistor screen grid series circuit shown in Fig shunt signal voltage sine wave sine-wave Step summarize telephone temperature thermocouple total current triode vacuum tube vary vector voltage drop voltage is impressed voltmeter volts watts wire zero