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The purpose of the cc option in an email is to create a carbon copy of the message. When sending an email to someone and you want to let someone know that you sent an email, that is where the cc comes in. Letting someone know or making the recipient aware of what you did by "CC'ing" somone with them getting the email.
Wallpaper = A covering that has all kinds of designs on it. As you see on the wallpaper, there are no designs but it does have color.
Book covers = A book cover protects the book. The covering shows pictures which describes what kind of book it is.(Ex:) As you can see on the cover of the book, a color background but in the foreground is a tree and a mockingbird.
Wrappers = a piece of paper or can be plastic that might have some words or color to it. (Ex:) The wrapper has words on it with a blue background along with a black and white cookie in the foreground.
I hope I helped you and if you want to edit these answers, you can but these are my examples. :)
Answer:
a keyboard is an input device
Base on the question, and in my further computation, the possible answers would be the following and I hope you are satisfied with my answer and feel free to ask for more.
- If you want to determine the Thevenin equivalent voltage and resistance without overloading the battery, then apply some known resistance
<span><span>RL</span><span>RL</span></span> and measure the output voltage as <span><span>VL</span><span>VL</span></span>. Measure the voltage without a load as <span><span>V<span>OC</span></span><span>V<span>OC</span></span></span>. The voltage divider equation tells us that
<span><span><span>VL</span>=<span>V<span>OC</span></span><span><span>RL</span><span><span>R<span>TH</span></span>×<span>RL</span></span></span></span><span><span>VL</span>=<span>V<span>OC</span></span><span><span>RL</span><span><span>R<span>TH</span></span>×<span>RL</span></span></span></span></span>
Solve for <span><span>R<span>TH</span></span><span>R<span>TH</span></span></span>, and you know that <span><span><span>V<span>TH</span></span>=<span>V<span>OC</span></span></span><span><span>V<span>TH</span></span>=<span>V<span>OC</span></span></span></span>.