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Each plate of a parallel plate air capacitor has an area S. What amount of work has to be performed to slowly increase the distance between the plates from x1 to x2 If the voltage across the capacitor, which is equal to V, is kept constant in the process.
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Each plate of a parallel plate air capacitor has an area S. What amoun...
When voltage is kept const., the force acing on each plate of capacitor will depend on the distance between the plates. 
From energy conversion,
Uf-Ui=Acell+Aagent
Or,(1/2)(ε0S/x2)V2-(1/2)(ε0S/x1)V2
=[(ε0S/x2)- (ε0S/x1)] V2 +Aagent
(as Acell=(qf-q1)V=(Cf-Ci)V2)
So, Aagent= (ε0SV2/2)[(1/x1)-)1/x2)]
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Community Answer
Each plate of a parallel plate air capacitor has an area S. What amoun...
When voltage is kept const., the force acing on each plate of capacitor will depend on the distance between the plates. 
From energy conversion,
Uf-Ui=Acell+Aagent
Or,(1/2)(ε0S/x2)V2-(1/2)(ε0S/x1)V2
=[(ε0S/x2)- (ε0S/x1)] V2 +Aagent
(as Acell=(qf-q1)V=(Cf-Ci)V2)
So, Aagent= (ε0SV2/2)[(1/x1)-)1/x2)]
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Each plate of a parallel plate air capacitor has an area S. What amount of work has to be performed to slowly increase the distance between the plates from x1 to x2 If the voltage across the capacitor, which is equal to V, is kept constant in the process.a)b)c)d)Correct answer is option 'C'. Can you explain this answer?
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Each plate of a parallel plate air capacitor has an area S. What amount of work has to be performed to slowly increase the distance between the plates from x1 to x2 If the voltage across the capacitor, which is equal to V, is kept constant in the process.a)b)c)d)Correct answer is option 'C'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Each plate of a parallel plate air capacitor has an area S. What amount of work has to be performed to slowly increase the distance between the plates from x1 to x2 If the voltage across the capacitor, which is equal to V, is kept constant in the process.a)b)c)d)Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Each plate of a parallel plate air capacitor has an area S. What amount of work has to be performed to slowly increase the distance between the plates from x1 to x2 If the voltage across the capacitor, which is equal to V, is kept constant in the process.a)b)c)d)Correct answer is option 'C'. Can you explain this answer?.
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