Question

an ideal transformer step up or step down (a) energy (b) DC voltage (c) ac voltage (d) power ​

Answer 1

→Answers :

B option → DC VOLTAGE

→Reason :

By using transformer voltage can be be increased or decreased.

An ideal transformer is one in which there is no energy loss. If there is no loss of energy then the entire input power is transferred from the primary to the secondary i.e. output.