Which among the following instruments produces electricity?

Dynamo is the device that produces electricity.

• A dynamo also called an electric generator, is simply a machine that converts mechanical energy into electricity.
• In general, a dynamo more specifically refers to the device which generates Direct Current (DC).
• While an alternator or a generator in common refers to the device which creates alternating current or (AC).
• The connection between electricity and mechanical work was known since 1821 when Michael Faraday figured out that when he ran an electric current near a permanent magnet, he generated a force that moved the wire carrying the current.