Question

a transformer is built with 200 primary turns and 50 secondary turns. Whats the transformers turn rate? A) 1:4 B) 2:1 C) 1:2 D) 4:1

Answer 1

`4:1`

Step-by-step explanation:

`N_p` = Number of turns of primary coil = 200

`N_s` = Number of turns of secondary coil = 50

The transformer turn ratio is given by

`(N_p)/(N_s)=(200)/(50)`

`\Rightarrow (N_p)/(N_s)=(4)/(1)`

`\Rightarrow (N_p)/(N_s)=4:1`

The transformer turn ratio is
`4:1`.