Physics
Transformer is a device to convert

Low voltage D.C. into high voltage D.C.
Low voltage A.C. into high voltage A.C.
Mechanical energy into Electrical energy
C. to A.C.

ANSWER DOWNLOAD EXAMIANS APP

Physics
A dynamo is used to convert

Electrical energy into magnetic energy
Mechanical energy into electrical energy
Magnetic energy into mechanical energy
Electrical energy into mechanical energy

ANSWER DOWNLOAD EXAMIANS APP