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

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

In figure pins 0, 1, 2, 3 of part A of a microcontroller are connected with resistors to drive an LED at various intensities.

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
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