Question

the steam - engine made possible the dynamo, the dynamo made possible the electric light. source: inventors in this sentence, dynamo means: a machine that separates the seeds from raw cotton an internal - combustion engine that burns heavy oil a generator with a coil that rotates between the poles of an electromagnet a wheeled vehicle consisting of a self - propelled engine

Explanation:

A dynamo is a type of electrical - generator that uses the principle of electromagnetic induction. It has a coil that rotates between the poles of an electromagnet to produce electricity, which is related to the development of the electric light as described. The other options describe different types of machines or vehicles.

Answer:

C. a generator with a coil that rotates between the poles of an electromagnet