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Physics - Capacitor Question with Solution | TestHub

PhysicsCapacitorForce & Energy analysisHard2 minPYQ_2015

PhysicsHardsingle choice

A parallel plate air capacitor has capacity $C$ , distance of separation between plates is $d$ and potential difference $V$ is applied between the plates. The force of attraction between the plates of the capacitor isNEET 2015 (Phase 2)

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Answer:

Solution:

Attraction force between the plates,

$F = \frac{q^{2}}{2 A ε_{0}}$ where $q = C V$ and $C = \frac{ε_{0} A}{d}$

$\Rightarrow F = \frac{C^{2} V^{2}}{2 C d} = \frac{C V^{2}}{2 d}$

Stream:NEETSubject:PhysicsTopic:CapacitorSubtopic:Force & Energy analysis

⏱ 2mℹ️ Source: PYQ_2015

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