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  4. A parallel plate capacitor is charged by a battery after charging the capacitor, the battery is disconnected and if a dielectric plate is inserted between the plates, then which one of the following statements is not correct

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Q. A parallel plate capacitor is charged by a battery after charging the capacitor, the battery is disconnected and if a dielectric plate is inserted between the plates, then which one of the following statements is not correct

NTA AbhyasNTA Abhyas 2020Electrostatic Potential and Capacitance

Solution:

New capacitance,
$C=KC_{0}$
New electric field,
$E=\frac{E_{0}}{K}$
New potential difference
$\Delta V=\frac{Q_{0}}{C}=\frac{Q_{0}}{K C_{0}}$
$\Delta V=\frac{\Delta V_{0}}{K}$