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Electric Fields and Dielectrics
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In a parallel plate capacitor filled with a dielectric material, if the dielectric constant of the material is doubled, how will this affect the capacitance and the electric field between the plates when the charge remains constant?

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A

The capacitance will double, and the electric field will halve.

B

The capacitance will remain the same, and the electric field will double.

C

The capacitance will decrease, and the electric field will remain unchanged.

D

The capacitance will double, and the electric field will remain unchanged.

Understanding the Answer

Let's break down why this is correct

Capacitance is directly proportional to the dielectric constant, so doubling it doubles the capacitance. Other options are incorrect because Some think the dielectric does not change capacitance, but it does; The misconception is that a larger dielectric constant reduces capacitance.

Key Concepts

Polarization in Dielectrics
Gauss's Law
Capacitance of Parallel Plate Capacitors
Topic

Electric Fields and Dielectrics

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hard level question

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Definition
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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