iran-konkur 2016 Q178

iran-konkur · Other · konkur-riazi_1395_specialized Not Maths
178- In the figure below, two charged electric strings are parallel and of equal length, and are in equilibrium. The tension $T_1$ is how many times the tension $T_2$?
[Figure: Two charged strings hanging from a ceiling, making angles $60°$ and $30°$ with the vertical, with tensions $T_1$ and $T_2$ and charges $q$ at their ends.]
  • [(1)] $\dfrac{1}{2}$
  • [(2)] $\dfrac{\sqrt{3}}{2}$
  • [(3)] $\sqrt{3}$
  • [(4)] 2

%% Page 15 Physics 120-C Page 14
\textbf{178-} In the figure below, two charged electric strings are parallel and of equal length, and are in equilibrium. The tension $T_1$ is how many times the tension $T_2$?

\textit{[Figure: Two charged strings hanging from a ceiling, making angles $60°$ and $30°$ with the vertical, with tensions $T_1$ and $T_2$ and charges $q$ at their ends.]}

\begin{itemize}
    \item[(1)] $\dfrac{1}{2}$
    \item[(2)] $\dfrac{\sqrt{3}}{2}$
    \item[(3)] $\sqrt{3}$
    \item[(4)] 2
\end{itemize}



%% Page 15
\textbf{Physics} \hfill 120-C \hfill \textbf{Page 14}