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प्रश्न
Make N the subject of formula I = `"NG"/("R" + "Ny")`
उत्तर
I = `"NG"/("R" + "Ny")`
⇒ I (R + Ny) = NG
⇒ IR + INy = NG
⇒ N(Iy - G) = -IR
⇒ N = `(-"IR")/(("I"y - "G")` = `"IR"/("G" - "I"y)`.
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