\((10\,R\,\, + \,\,30)\,\, = \,\,(R - 3)\,\,(R\, + \,13)\,\) ને ઉકેલો
\(10R\,\, + \,\,30\,\, = \,\,{R^2} - 39\,\, + \,\,10\,\,R\,\)
\( \Rightarrow \,\,R\,\, = \,\, \sqrt {69} \,\,\,\Omega \)
$Sl$. $No$. | $R\, (\Omega )$ | $l\, (cm)$ |
$1$. | $1000$ | $60$ |
$2$. | $100$ | $13$ |
$3$. | $10$ | $1.5$ |
$4$. | $1$ | $1.0$ |
ઉપર પૈકી કયું અવલોકન ખોટું પડે?