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A parallel plate air capacitor of capacitance C is connected to a cell of emf V and then disconnected from it. A dielectric slab of dielectric constant K, which can just fill the air gap of the capacitor, is now inserted in it. Which of the following is incorrect?
Options
(a) The potential difference between the plates decreases K times
(b) The energy stored in the capacitor decreases K times
(c) The change in energy stored is (CV²/2) * (1/K -1)
(d) The charge on the capacitor is not conserved
Correct Answer:
The charge on the capacitor is not conserved
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If 10000 V is applied across an X-ray tube, what will be the ratio of de-Broglie
- CO₂ laser uses
- A susceptibility of a certain magnetic material is 400. What is the class
- Which one of the following is not due to total internal reflection?
- Masses of 3 wires of same metal are in the ratio 1:2:3 and their lengths
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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