Question
If $\mathrm{I}_L=100$ and $\mathrm{I}_{\mathrm{F}}=150$ find $\mathrm{I}_P$

Answer

$ \mathrm{I}_L=100 ; \mathrm{I}_F=150$
$\mathrm{I}_F=\sqrt{\mathrm{I}_L \times \mathrm{I}_P}$
$\therefore 150=\sqrt{100 \times \mathrm{I}_P}$
$\therefore(150)^2=100 \times \mathrm{I}_P$
$\therefore 22,500=100 \times \mathrm{I}_P$
$\therefore \mathrm{I}_P=\frac{22,500}{100}$
$\therefore \mathrm{I}_P=225 $

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