A Light Emitting Diode Led Connected To A 3 0 V Part A Power Supply Emits 440 Nm Blue Light The Current In The Led Is 1 (34.84 KiB) Viewed 80 times
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A light-emitting diode (LED) connected to a 3.0 V Part A power supply emits 440 nm blue light. The current in the LED is 21 mA, and the LED is 51% efficient at converting electric power input into light How many photons per second does the LED emit? power output. Express your answer as the number of the photons. 2 Incorrect; Try Again; 5 attempts remaining
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