Can someone help me with these questions plz

Physics

1 answer:

Helga [31]3 years ago

7 0

periods go left to right. The periodic table also has a special name for its vertical columns. Each column is called a group. So A is a period and B is columns. Hope I helped. Give me a minute to try and get the others.

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R equivalent for the series connection is,

$\begin{gathered} Req(S)=2+3+5=10ohms \\ Now,\text{ } \\ Req\text{ }for\text{ }10\text{ }ohms\text{ }and\text{ }10\text{ }ohms\text{ }is, \\ \frac{1}{Req}=\frac{1}{10}+\frac{1}{10}=\frac{2}{10}=\frac{1}{5} \\ So, \\ Req=5\text{ ohms} \end{gathered}$

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So your friend is saying true.