186. In the circuit below, what does the voltmeter read? [Figure: A circuit with a battery of EMF $\varepsilon = 12\,\text{V}$ and internal resistance $r = 6\,\Omega$, connected to an open switch and a voltmeter V across the terminals.]
[(1)] zero
[(2)] $2$
[(3)] $6$
[(4)] $12$
%% Page 17 Download of Exam Questions and Answers from Riazisara Website \begin{flushright} Physics 121-A Page 16 \end{flushright}
\textbf{186.} In the circuit below, what does the voltmeter read?
\textit{[Figure: A circuit with a battery of EMF $\varepsilon = 12\,\text{V}$ and internal resistance $r = 6\,\Omega$, connected to an open switch and a voltmeter V across the terminals.]}
\begin{itemize}
\item[(1)] zero
\item[(2)] $2$
\item[(3)] $6$
\item[(4)] $12$
\end{itemize}
%% Page 17
\begin{center}
\textbf{Download of Exam Questions and Answers from Riazisara Website}
\end{center}
\begin{flushright}
Physics \hfill 121-A \hfill Page 16
\end{flushright}