What value of series resistance is needed to limit current

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Reference no: EM13228030

An LED is rated at VF = 1.6 Volts to 2.0 Volts at IF = 20 mA. What value of series resistance is needed to limit the LED current to 20 mA when this LED is connected to a 32 Volts peak source (that is, a source having a peak voltage of 32 Volts)?

Reference no: EM13228030

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