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Work done by an external agent in separating the parallel plate capacitor is
Options
(a) CV
(b) 1/2 C²V
(c) 1/2 CV²
(d) None of these
Correct Answer:
1/2 CV²
Explanation:
Energy stored in capacitor = (1/2) CV²
External agent should apply (1/2) CV² energy for separating the plates.
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Topics: Electrostatics
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When 10¹⁹elecrons are removed from a neutral metal plate through some process,
- A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily
- A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV.
- Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state
- The half life of a radioactive isotope ‘X’ is 20 years. It decays to another element Y
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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