Complete the following sentences —

(i) In a step up transformer, the number of turns in the primary are ….. than the number of turns in the secondary.

(ii) The transformer is used in ………….. current circuits.

(iii) In a transformer, the frequency of a.c. voltage ……… (increase / decreases / remains same)

(i) In a step up transformer, the number of turns in the primary are less than the number of turns in the secondary.

(ii) The transformer is used in alternating current circuits.

(iii) In a transformer, the frequency of a.c. voltage remains same. (increase/ decrease/ remains same)