A transformer with 100 primary turns and 50 secondary turns has a turns ratio of:
✓ Correct Answer: Option B
Turns ratio = N₁/N₂ = 100/50 = 2:1. This is a step-down transformer (V₂ = V₁/2).
Turns ratio = N₁/N₂ = 100/50 = 2:1. This is a step-down transformer (V₂ = V₁/2).