Question

dynamo means :

an implant consisting of a tube made of plastic or rubber

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

a projecting spout from which a fluid is discharged

a medical instrument used to inject or withdraw fluids

Explanation:

A dynamo is a type of electrical - generator that works on the principle of electromagnetic induction. It has a coil that rotates between the poles of an electromagnet to produce electrical energy.

Answer:

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