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Physics - Capacitor Question with Solution | TestHub

PhysicsCapacitorForce & Energy analysisMedium2 minPYQ_2011

PhysicsMediumsingle choice

A parallel plate condenser has a uniform electric field $E (V / m)$ in the space between the plates. If the distance between the plates is $d (m)$ and area of each plate is $A (m^{2})$ the energy (joule) stored in the condenser isNEET 2011 (Screening)

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Solution:

The energy stored in the condenser $U = \frac{1}{2} C V^{2} U = \frac{1}{2} (\frac{A ε _{0}}{d}) (E d)^{2} (∵ C = \frac{A ε _{0}}{d} and V = E d) U = \frac{1}{2} ε_{0} E^{2} A d$

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

⏱ 2mℹ️ Source: PYQ_2011

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