Which of the Following Statement is True? (i) Energy is Created When a Transformer Steps Up the Voltage | Bzziii

Which of the following statement is true? 

(i) Energy is created when a transformer steps up the voltage 

(ii) A transformer is designed to convert an AC voltage to DC voltage 

(iii) Step–up transformer increases the power for transmission 

(iv) Step–down transformer decreases the AC voltage

(iv) Step–down transformer decreases the AC voltage

---

50 51 52 53 54

CBSE Class 12 Physics Sample Paper-2022