What is meant by conductors and insulators? Give two examples of conductors and two of insulators.

Conductors are defined as the materials through which electric current can flow. Almost all the metals are examples of conductors. Following are the examples of conductors:

Copper, silver

Insulators are defined as the materials through which electric current cannot flow. Non-metals are examples of insulators. Following are the examples of insulators:

Plastic, cotton