iran-konkur 2020 Q184

iran-konkur · Other · konkur-riazi_1399_specialized_old-curriculum Not Maths
184. The figure below shows part of an electric circuit. The energy consumed in resistor $R$ in $25$ minutes is how many kilojoules?
[Figure: Circuit segment with $10\,\Omega$ resistor, resistor $R$, $4\,\text{A}$ current source, $1.6\,\text{A}$ branch current, and $5\,\Omega$ resistor]
(1) $4.8$ (2) $9.6$ (3) $19.2$ (4) $27.4$
\textbf{184.} The figure below shows part of an electric circuit. The energy consumed in resistor $R$ in $25$ minutes is how many kilojoules?

\begin{center}
\textit{[Figure: Circuit segment with $10\,\Omega$ resistor, resistor $R$, $4\,\text{A}$ current source, $1.6\,\text{A}$ branch current, and $5\,\Omega$ resistor]}
\end{center}

\begin{center}
(1) $4.8$ \qquad (2) $9.6$ \qquad (3) $19.2$ \qquad (4) $27.4$
\end{center}