Explanation:
When 'series'\({I_s} = \frac{E}{{10R}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(1)\)
When 'parallel' \({I_P} = \frac{E}{{R/10}} = \frac{{10E}}{R}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(2)\)
Given \({I_P} = n{I_S}.\)
\( \Rightarrow n = \frac{{{I_P}}}{{{I_S}}} = 100 \Rightarrow n = 100.\)