Which expression gives the magnitude of the uniform electric field between the plates…

PHYSICS · Single correct · CBSE · Physics · Electrostatic Potential and Capacitance · Electrostatic Potential and Capacitance

Problem

Which expression gives the magnitude of the uniform electric field between the plates of a parallel-plate capacitor that carries charge magnitude

Q

on each plate, has plate area

A

, and is completely filled with a material of dielectric constant

\kappa

? (a)

E = \dfrac{\kappa Q}{\varepsilon_{0}A}

(b)

E = \dfrac{Q}{\kappa\varepsilon_{0}A}

(c)

E = \dfrac{Q}{\varepsilon_{0}A}

(d)

E = \dfrac{Q}{\kappa^{2}\varepsilon_{0}A}