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JEE Main
Exam
JEE Main
Subject
Physics
Chapter
Capacitance

JEE Main · Physics · Capacitance

If dielectric is inserted in charged capacitor (battery removed),...

If dielectric is inserted in charged capacitor (battery removed), then quantity that remains constant is

Options

  1. Acapacitance
  2. Bpotential
  3. Cintensity
  4. Dcharge

Correct answer

D. charge

Step-by-step solution

Variation of different variables (Q, C,V,EC, V, E and UU ) of parallel plate capacitor when dielectric (K)(K) is introduced when battery is removed is C′=KCE′=E/KQ′=QU′=U/KV′=V/K\begin{array}{ll} C^{\prime}=K C & E^{\prime}=E / K \\ Q^{\prime}=Q & U^{\prime}=U / K \\ V^{\prime}=V / K & \end{array}
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