Question
If $\mathrm{I}_{\mathrm{L}}=221.5$ and $\mathrm{I}_F=222$ find $\mathrm{I}_{\mathrm{P}}$

Answer

$ \mathrm{I}_{\mathrm{L}}=221.5, \mathrm{I}_{\mathrm{F}}=222, \mathrm{I}_{\mathrm{P}}=?$
$ \mathrm{I}_{\mathrm{F}}=\sqrt{I_L \times I_P}$
$ \therefore 222=\sqrt{221.5 \times \mathrm{I}_{\mathrm{P}}}$
$ \therefore(222)^2=221.5 \times \mathrm{I}_{\mathrm{P}}$
$ \therefore \frac{49284}{221.5}=\mathrm{I}_{\mathrm{p}}$
$ \therefore \mathrm{I}_{\mathrm{p}}=222.5$

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