Debanjana adhikari Asked a Question May 16, 2020 11:27 am
30 pts - CSIR NET
- Physical Sciences
The pins 0, 1, 2 and 3 of part A ofa microcontroller are connected with resistors to drive Vcc an LED at various intensities as shown in the figure. For Vec=4.2V and a voltage drop of 1.2 V across the LED, the range (maximum current) and resolution (step síze) of the drive current are, respectively, AP 13 k A W 1.5k 3k 6k uC A (a) 4.0 mA and 1.0 mA (b) 15.0 mA and 1.0 mA (c) 75 mA and 0.5 mA (d) 4.0 mA and 0.5 mA Ao w
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