Questions
The plates of a parallel plate capacitor are connected to the terminals of a battery and the magnitude of electric force of attraction acting on each plate is F. If the separation between the plates is doubled, the force of attraction on each plate will be
detailed solution
Correct option is C
Q=CV=∈0AdVF=σ2∈0Q=Q22∈0A⇒F=12∈0A.(∈0AVd)2=∈0AV22d2⇒F∝1d2∴ F'F=d2(2d)2⇒F'=F/4Talk to our academic expert!
Similar Questions
Two identical metal plates are given positive charges Q1 and Q2 (<Q1) respectively. If they are now brought close together to form a parallel plate capacitor with capacitance C, the potential difference between them is
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