Answer:
Explanation:
Apply a known AC voltage to the primary coil. Call it V₁
Measure the resultant voltage on the secondary coil. Call it V₂
If N₁ is the number of turns on the primary coil
and N₂ is the number of turns on the secondary coil
N₂ / N₁ = V₂ / V₁
N₂ = N₁V₂ / V₁
