Inductors

Q1: What is the number of turns required in the secondary winding for a transformer when 120 volts is applied to a 2400-turn primary to produce 7.5 Vac at the secondary?

A 1920 turns

B 150 turns

C 900 turns

D 75 turns

ANS:B - 150 turns

V1/V2=N1/N2
120/7.5=2400/N2
N2=2400*7.5/120
N2=150



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