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Question & Answer
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The electrons in the insulator are free to move and align with the field.
The external field causes a realignment of positive and negative charges within the atoms.
Insulators have a higher density of mobile charge carriers than conductors.
The external electric field creates a vacuum that allows charges to flow.
Understanding the Answer
Let's break down why this is correct
When an electric field touches an insulator, it nudges the tiny positive and negative parts of each atom so they line up with the field. Other options are incorrect because The idea that electrons move freely inside an insulator is a misunderstanding of how insulators work; Insulators are known for having very few mobile charge carriers, not more.
Key Concepts
Electric Fields and Dielectrics
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Definition
Electric field induction occurs in insulators, creating dipoles due to the rearrangement of electrons when subjected to an external electric field. This phenomenon leads to the polarization of insulators, forming layers of induced charges. Understanding electric field induction is essential in studying dielectrics and their impact on electric fields.
Topic Definition
Electric field induction occurs in insulators, creating dipoles due to the rearrangement of electrons when subjected to an external electric field. This phenomenon leads to the polarization of insulators, forming layers of induced charges. Understanding electric field induction is essential in studying dielectrics and their impact on electric fields.
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