A transformer is used to convert______
A. mechanical energy into electrical energy
B. electrical energy into mechanical energy
C. high (or low) voltage d.c. into low (or high) voltage d.c.
D. high (or low) voltage a.c. into low (or high) voltage a.c.
Answer:D
A transformer is used to convert______
A. mechanical energy into electrical energy B. electrical energy into mechanical energy C. high (or low) voltage d.c. into low (or high) voltage d.c. D. high (or low) voltage a.c. into low (or high) voltage a.c.