Answer:
While we almost never get to see most of the cables, they power everything so it only makes sense that you should know what the different types of cables and wires are, so that you can pick accordingly and have your equipment, devices and appliances powered properly.
It is also important to identify cables and conductors for safety purposes, such as emergencies linked with electricity.
Surge protector :) hope this helps
The first step in developing a database is simply to have a conversation (talk) to the employees or end users who will be using the database.
<h3>What is a database?</h3>
A database can be defined as an organized and structured collection of data that are stored on a computer system as a backup and are usually accessed electronically.
As a general rule, having a conversation (talk) to the employees or end users who will be using the database is the first step in developing a database.
Read more on database here: brainly.com/question/13179611
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Answer with Explanation:
Part 1)
The given sine wave is as

The graphical representation of the wave is shown in the attached figure:
Part 2)
For a general wave equation
'A' is defined as amplitude of the wave
is defined as phase of the wave
Upon comparing with the given wave function we observe
1) Amplitude of the given wave is 3
2) Phase of the given wave 
D) both a and b
Microwaves are used to heat foods in ovens. We all know that. They are also used for data and information transfer. Microwaves are used in wifi, gps, and radio astronomy.