Want this question answered?
Materials that do not allow electric currents to pass are called insulators.
Transparent materials allow light to freely pass through them. Translucent materials also allow light to pass through them, but change the colour of the light.
They are called opaque materials.
conductors
Such materials are called insulators. Examples include dry wood, ceramics, plastic. No material allows absolutely no electricity to pass through; the so-called insulators simply have a very high electrical resistance, so they only allow a small, usually insignificant, amount of current to pass.
Materials that do not allow electric currents to pass are called insulators.
Those are called insulators.
While electricity doesn't flow, current does. Conductors are materials that allow the electrical currents to flow through them. Metals are the best conduction, such as silver and copper.
Superconductors
Transparent materials allow light to freely pass through them. Translucent materials also allow light to pass through them, but change the colour of the light.
permeability
They are called opaque materials.
Electrical insulators. Plastics, glass, and rubber. Materials that composition consists of stable elements like Helium. Non-metal.If a material does not allow charges to move through it easily, what is it called?Insulators such as wood does not allow insulators to move through them very easily nor freely .Insulators do not allow electrical charges to flow easily through them. They are the opposite of a conductor which is good at letting molecules pass through it.A conductor like wire allows current to flow. All conductors have some resistance. Semi-conductors are what make up integrated circuits, diodes, transistors and many similar devices. They are typically used with much lower currents than you would see in household appliances, for example.
They are usually called semi-conductors.
selectively permeable membrane.
permeability
permeability