Question

When something is insulated, it __________.

A.
recycles electric currents to reduce the amount of power produced in a country
B.
reduces the passage of heat by separating two objects with a material
C.
allows the passage of electricity from one building to another
D.
increases the passage of heat from one object to another

Answer 1

The answer is B. Reduces the passage of heat by separating the two objects with a material.