To stabilize the voltage, a gas-discharge lamp (stabilovolt) is sometimes used, the switching diagram of which is shown in Fig. 127. When the current flowing through the stabilovolt changes from 5 to 15 mA, the voltage across it practically does not change and remains equal to 150 V. Load resistance Rн = 10 kom. Determine the value of resistance R and voltage E at which the voltage across the load remains constant when the input voltage E changes by ±10%.
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