Question

Which description of the primary coil is correct?

Options

• It is the closed magnetic path for the flux

• It is made of thin silicon-steel laminations

• It has \[N_s\] turns of insulated copper wire

• It has \[N_p\] turns of insulated copper wire

Answer 1

The primary coil has \[N_p\] turns of insulated copper wire. The symbol \[N_p\] denotes the number of turns in the primary coil.