Hand-Driven Dynamo

A hand-driven dynamo is a device that converts mechanical energy into electrical energy through electromagnetic induction. It consists of a motor and a crank that can be manually rotated, while the motor consists of coils of wire and magnets. As the rotor is turned, the magnetic field generated by the magnets passes through the coils, inducing an electric current. This current can then be used to power small devices or stored in a battery for later use. Hand-driven dynamos are often used in portable devices such as flashlights or radios where electrical power is needed in situations where no external power source is available.

手搖發電機是一種透過電磁感應將機械能轉換為電能的裝置。 它由一個馬達和一個可以手動旋轉的曲柄組成，而馬達則由線圈和磁鐵組成。 當轉子轉動時，磁鐵產生的磁場會穿過線圈，從而感應出電流。 然後，該電流可用於為小型設備供電或儲存在電池中以供以後使用。 手動發電機通常用於便攜式設備，例如手電筒或收音機，在沒有外部電源的情況下需要電力。