Plzz explain briefly EX-2There aretwo LEDS that canbe used as a polar ity det'.Apply a +ve source voltageand a green Light results.GREEN Negative Supplies resultin a RED Light. Packagesof such combinations areREDCommercially available.Find the resistor R to ensure aCUrrent of 20 mA through the "ONdiode · Both diodes havě a reversebreakdown voutage of 3V and anaverageturn on voltage of 2v.

We need to calculate unknown resistance for given current and voltage.

Answered: EX:2 There are Two LEDS pt 8V be used…

EX:2 There are Two LEDS pt 8V be used as a polar ity det'. Apply a +ve source voltage and a green Light results. GREEN Negative Supplies resulE in a RED Light. Packages of such combinations are RED

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Embedded Software Development

Using specific programming languages (like C and C++) to write code for a specific hardware device in which it runs is called embedded software development. It makes the device smart by performing actions based on user's input which improves the user experience. They are designed to perform function-specific tasks rather than doing multiple tasks like computers. The embedded system is incredibly intuitive. An embedded software system could be a system developed and organized on any device, apart from an old-fashioned computer. It is the brain of a specific device; however, it is a solely useless tool and simple to elucidate what software system is embedded.

Question

Plzz explain briefly

EX-2
There are
two LEDS that can
be used as a polar ity det'.
Apply a +ve source voltage
and a green Light results.
GREEN Negative Supplies result
in a RED Light. Packages
of such combinations are
RED
Commercially available.
Find the resistor R to ensure a
CUrrent of 20 mA through the "ON
diode · Both diodes havě a reverse
breakdown voutage of 3V and an
average
turn on voltage of 2v.

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