Electronics and Experimental Methods-Microprocessor and Microcontroller Basics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 1 of 1

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Question number: 1

» Electronics and Experimental Methods » Microprocessor and Microcontroller Basics

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Appeared in Year: 2011

MCQ▾

Question

The pins 0,1, 2 and 3 of part A of a microcontroller are connected with resistors to drive an LED at various intensities as shown in the figure.

Four pins connected with resistor

Four Pins Connected with Resistor

For and a voltage drop of across the LED, the range (maximum current) and resolution (Step size) of the drive current are, respectively, - (December)

Choices

Choice (4)Response

a.

b.

c.

d.

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