Question

What is the equivalent resistance of a parallel circuit with a 5.0 ohms resistor, a 2.5 ohms resistor, and a 10.0 ohms resistor?

A. 0.10 ohms
B. 1.4 ohms
C. 0.83 ohms
D. 10 ohms

Answer 1

the requested resistance , is given by the subsequent formula:
\[\Large \begin{gathered}
{R_{EQUIVALENT}} = \frac{1}{{\frac{1}{{{R_1}}} + \frac{1}{{{R_2}}} + \frac{1}{{{R_3}}}}} = \hfill \\
\hfill \\
= \frac{1}{{\frac{1}{5} + \frac{1}{{2.5}} + \frac{1}{{10}}}} = ...ohms \hfill \\
\end{gathered} \]

Answer 2

ok! we get 1.428! so choice B is our solution?

Answer 3

yes! correct!

Answer 4

yay! thanks!

Answer 5

:)