iran-konkur 2021 Q185

iran-konkur · Other · konkur-riazi_1400_specialized Not Maths
185. The circuit below shows an electrical circuit. If the power consumed by resistance $R_2$ is 6 times the power consumed by resistance $R_3$, and $R_1 = 6\,\Omega$, how large is $R_2$?
[Figure: Circuit with current $I$, resistors $R_1 = 6\,\Omega$ in series, $R_2$ in parallel with $R_3 = 12\,\Omega$]
  • [(1)] $18$
  • [(2)] $12$
  • [(3)] $8$
  • [(4)] $6$
\textbf{185.} The circuit below shows an electrical circuit. If the power consumed by resistance $R_2$ is 6 times the power consumed by resistance $R_3$, and $R_1 = 6\,\Omega$, how large is $R_2$?

\textit{[Figure: Circuit with current $I$, resistors $R_1 = 6\,\Omega$ in series, $R_2$ in parallel with $R_3 = 12\,\Omega$]}

\begin{itemize}
    \item[(1)] $18$
    \item[(2)] $12$
    \item[(3)] $8$
    \item[(4)] $6$
\end{itemize}