EVERYDAY SCIENCE

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PHYSICAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Does not allow electrical or thermal energy to flow.
A
mass
B
magnetic
C
relative density
D
conductor
E
insulator
Explanation: 

Detailed explanation-1: -Materials that do not allow the electric current to flow through them are known as Insulators. Insulators: A material that does not conduct electrical current is known as an insulator. Paper, plastic, rubber, glass, and air are all good insulators.

Detailed explanation-2: -Materials that do not let current flow easily are called insulators. Most nonmetal materials such as plastic, wood and rubber are insulators. You will notice this if you have ever plugged something into a wall outlet.

Detailed explanation-3: -Insulator: insulators resist the flow of electricity. Insulating materials are used to coat copper conducting wires and are used to make electrical work gloves.

Detailed explanation-4: -Electrons cannot flow through the circuit. Loads do not function in open circuits because the current does not pass through them. For example, a light bulb will not light up in an open circuit.

Detailed explanation-5: -Thermal insulators reflect heat generated from electronics and moving machinery parts. Insulation helps prevent this escaped heat from damaging and injuring nearby objects and people.

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