If the number of primary turns is the sum of the turns between taps (such as 80 + 100 + 60 = 240 turns), and 120 volts are connected across the 240 turns, this transformer will have a volts-per-turn ratio of 2.0.

Question

Quizplus · Accepted Answer

The volts-per-turn ratio is calculated by dividing the voltage by the total number of turns. In this case, 120 volts divided by 240 turns equals 0.5 volts per turn, not 2.0.

If the Number of Primary Turns Is the Sum of the Turns