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Question & Answer
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The electric field strength increases due to the alignment of dipoles in the dielectric.
The electric field strength decreases as the induced dipoles act against the external field.
The electric field remains unchanged because the dielectric does not conduct electricity.
The electric field becomes uniform across the capacitor regardless of the dielectric's properties.
Understanding the Answer
Let's break down why this is correct
When the dielectric polarizes, each small piece acts like a tiny compass that points opposite to the main field. Other options are incorrect because Some think that alignment of dipoles would push the field up, but the dipoles actually push back; It is true the dielectric does not conduct electricity, but that does not mean it leaves the field unchanged.
Key Concepts
Electric Fields and Dielectrics
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Deep Dive: 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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