A laboratory instrument requires a 3 A current to operate. The primary coil of a transformer draws a 5 A current from the AC source, while the secondary coil with 3500 turns powers the instrument. What is the number of turns, Np, in the primary coil?

Answer rating: 100% (QA)

To determine the number of turns in the primary coil we can use the transformer turns ratio equation ... View the full answer