9 pages matching change-over pair in this book
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Voltage Current and Resistance
Cables and Wires
20 other sections not shown
alternating current amplifier amplitude anode circuit anode current anode voltage applied armature base battery breakdown voltage cable capacitor cathode resistor cells change-over pair chassis coil components conductors connected construction contacts control grid copper current flowing cycle data sheet deflection Dekatron designed devices difference direct current discharge earth electrical electrolytic capacitors electrons emitter energized equipment feedback germanium grid voltage heater high frequency high voltage impedance increase indirectly heated input inserted insulation lamp light low frequency low voltage mains maximum voltage measured metal rectifiers meter negative obtained ohms operation oscillator oscilloscope output voltage panel peak pentode phase plates point-contact transistor positive potential power handling capacity printed circuit boards produce R3 parallel combination relay released screen signal sine wave square wave suitable supply switch time-base transformer transistor triode tube uniselector usually value Rl R2 variable resistor voltage drop volts waveform whilst wire zener diode zero