Task id12995
The receiver uses three radio tubes, L1, L2 and L3, with a filament voltage of V = 6 V and a filament current of 0.1, 0.2, 0.3 A, respectively. Draw diagrams of transformerless power supply of an incandescent circuit from a network with a voltage of V0 = 120 V in the case of series and parallel connection of lamps. Determine the value of additional resistance at which the lamps in both cases will operate in the given modes.
Detailed solution. Format gif
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