Exercise 1
Here is a circuit to simplify.
We can first simplify R2,R3,R4.
We can simplify this part of the scheme, let’s do it.
$$
\mathbf{
R_{eq} = \frac{R_2 (R_3 + R_4)}{R_2 + R_3 + R_4}
= 1.1~\Omega
}
$$
And then easy peasy
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Here is a circuit to simplify.
We can first simplify R2,R3,R4.
We can simplify this part of the scheme, let’s do it.
$$
\mathbf{
R_{eq} = \frac{R_2 (R_3 + R_4)}{R_2 + R_3 + R_4}
= 1.1~\Omega
}
$$
And then easy peasy