GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A material or object that does not easily allow heat, electricity, light, or sound to pass through is ____
A
conductor
B
insulator
C
wire
D
solid
Explanation: 

Detailed explanation-1: -Substances which don’t allow heat to easily pass through them are known as insulators. Insulators have crystal structure of molecules, molecules are far from each other, compared to conductors.

Detailed explanation-2: -Any material that keeps energy such as electricity, heat, or cold from easily transferring through is an insulator. Wood, plastic, rubber, and glass are good insulators.

Detailed explanation-3: -Materials that do not allow electricity to pass through them are called insulators. Insulators oppose electric current and so they are used as a protection from the dangerous effects of electricity. Examples of insulators are glass, air, wood, plastic and rubber.

There is 1 question to complete.