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General Class: FCC License Preparation for Element 3, General Class Theory
No preview available - 2007
THE ELECTRIC FIELD
ENERGY IN ELECTRIC AND MAGNETIC FIELDS
15 other sections not shown
ac voltage actual ampere amplifying device amplitude applied voltage base current bias bipolar transistor capacitive reactance capacitor cathode Chapter characteristic impedance charge coil collector current components conductor connected constant coupling current flows curve decibels depends dielectric diode direct current dissipation drain current effect electric electrons emitter equal equivalent circuit feedback filter flux gate grid increases induced voltage inductor input circuit input impedance input resistance internal resistance junction leakage linear load resistance loss magnetic field matching measured meter MOSFET negative Ohm's Law ohms output circuit output voltage parallel circuit pentodes phase angle phasor plate current plate voltage polarity positive primary pure resistance ratio relationship resistor secondary semiconductor shown in Fig signal source sine wave tance temperature termination transconductance transformer tuned circuit vacuum tube vary voltage and current voltage drop volts VSWR wavelength zero