Elements of Electronics |
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Page 54
... increased to 6 ma . With 9 volts on the grid and plate voltage at 70 volts , I , is zero . Increasing E , to 100 volts causes an increase in I , to 2 ma . A further increase in E , to 150 volts causes I , to increase to 6 ma . With - 18 ...
... increased to 6 ma . With 9 volts on the grid and plate voltage at 70 volts , I , is zero . Increasing E , to 100 volts causes an increase in I , to 2 ma . A further increase in E , to 150 volts causes I , to increase to 6 ma . With - 18 ...
Page 218
... increase in frequency . ( c ) Capacitive current increases with an increase in frequency and decrease in capacitive reactance . Therefore , there will be a frequency at which the parallel impedance of an RC circuit will be zero with ...
... increase in frequency . ( c ) Capacitive current increases with an increase in frequency and decrease in capacitive reactance . Therefore , there will be a frequency at which the parallel impedance of an RC circuit will be zero with ...
Page 296
... increase in resist- ance with an increase in temperature . In Fig . 31-5 an increase in line . voltage would result in an increase in the voltage applied to the filament of the tube . Since this would increase the amount of current in ...
... increase in resist- ance with an increase in temperature . In Fig . 31-5 an increase in line . voltage would result in an increase in the voltage applied to the filament of the tube . Since this would increase the amount of current in ...
Contents
PRINCIPLES OF MAGNETISM | 73 |
ELECTROMAGNETISM AND MAGNETIC CIRCUITS | 82 |
AMMETERS | 92 |
Copyright | |
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alternating current amplitude angle antenna applied voltage armature atom audio band basic battery bias C₁ capacitive reactance capacitor carrier cathode cause charge coil components conductor connected control grid coupling curve cycle decrease deflection detector dielectric difference diode direct current effect electrical electron flow electron tube emitter energy equal example Explain farad filament filter flux lines frequency germanium half-wave impedance increase inductive reactance inductor input signal magnetic field maximum meter modulation movement negative Ohm's law ohmmeter ohms operation oscillator output voltage pentode phase plate current plate voltage polarity pole positive potential power amplifier power supply primary produce quency r-f amplifier R₁ R₂ radio range receiver rectifier resonant result REVIEW QUESTIONS schematic screen secondary series circuit shown in Fig shunt sine wave source voltage stage superheterodyne receiver tank circuit tetrode tion transformer transistor transmitter triode tuned V₁ vary vector voltmeter volts wire zero