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First of all, because that's the definition of an insulator - a substance that doesn't easily let current pass. As to the mechanism, that has to do with how freely the charge carriers (usually electrons) can move.
Wiki User
∙ 12y ago
Wiki User
∙ 12y agoinsulator are those substances in which current cannot pass because insulator are made of non-conductive materials that is point insulator are used to resist the current.
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Why current cannot pass through a insulator?
Insulators are made of non conductive materials and that is the point. Insulators are used to prevent electrical current from leaving the circuit being utilized.
What are materials that electrical current cannot pass though?
"insulators"
Are materials that electrical current cannot pass through?
Any material that electricity can't pass through is classed as an insulator. Examples of insulators are glass, ceramics, plastic, dry wood, and so on.
Can air pass through oil layer?
The current cannot pass through the oils.Oils are moleculer so molecules cannot conduct electric current
What differentiates insulators and conductors?
insulators do not allow electricity to pass through them whereas conductors allow electricity to pass through them.
What are materials that electrical current cannot pass through?
Insulators
What material that electrical current cannot pass through?
Insulators
Why insulators are used in electronics though current cannot pass through them?
Because current cannot pass through them. They stop one part of a circuit from interfering with another.
Why current cannot pass through a insulator?
Insulators are made of non conductive materials and that is the point. Insulators are used to prevent electrical current from leaving the circuit being utilized.
What are materials that electrical current cannot pass though?
"insulators"
How are superconductors different from insulators?
Superconductors are materials that let current or electricity pass through them. Insulators are materials that don't allow current or electricity to pass through them. Superconductors are mostly all metals. Insulators are wood, plastic, and paper.
Are materials that electrical current cannot pass through?
Any material that electricity can't pass through is classed as an insulator. Examples of insulators are glass, ceramics, plastic, dry wood, and so on.
What do you call something that cannot pass electricity?
Diode's are restrictive to one direction of current only. A resistor will limit the amount of current in a circuit.
Can air pass through oil layer?
The current cannot pass through the oils.Oils are moleculer so molecules cannot conduct electric current
Is it true the alternating current can pass through a capacitor while the direct current cannot pass through?
Yes.
What differentiates insulators and conductors?
insulators do not allow electricity to pass through them whereas conductors allow electricity to pass through them.
Why cant electricity pass through insulators?
Because insulators do not have free electrons as conductors in insulators electrons are very tight so its electrons do not allow electricity to pass through them!
