An LED is required to turn on when a switch is closed. The necessary illumination is obtained when the LED operates at 20mA and 1.2V. Calculate the two missing resistors and draw the resulting circuit. β=105
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An LED is required to turn on when a switch is closed. The necessary illumination is obtained when the LED operates at 20mA and 1.2V. Calculate the two missing resistors and draw the resulting circuit.
β=105
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