McqMate
Q. |
A dynamo is a device which – |
A. | creates mechanical energy |
B. | creates electrical energy |
C. | converts mechanical energy into electrical energy |
D. | converts electrical energy into mechanical energy |
Answer» C. converts mechanical energy into electrical energy | |
Explanation: A dynamo is an electrical generator that produces direct current with the use of a commutator. Dynamos were the first electrical generators capable of delivering power for industry, and the foundation upon which many other later electric-power conversion devices were based, including the electric motor, the alternating-current alternator, and the rotary converter. |
View all MCQs in
PhysicsNo comments yet