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Each plate of a parallel plate capacitor has a charge q on it. The capacitor is now connected to a battery. Now,
  • a)
    the facing surfaces of the capacitor have equal and opposite charges
  • b)
    the two plates of the capacitor have equal and opposite charges
  • c)
    the battery supplies equal and opposite charges to the two plates
  • d)
    the outer surfaces of the plates have equal charges
Correct answer is option 'A,C,D'. Can you explain this answer?
Most Upvoted Answer
Each plate of a parallel plate capacitor has a charge q on it. The cap...
Before the battery is connected,

Applying Gauss Law, the inner surfaces of both the plates will have no charge on them, the outer surfaces will have charge qq.

After the battery is connected,

The potential difference across the capacitor will gradually become equal to that of the battery .The inner surfaces will have equal and opposite charges according to Q=CVQ=CV where VV is the potential difference across the battery.

But, what will be the charges on the outer surfaces of the two plates ?

I am not clear about the role of battery in affecting the charges on the surfaces of the plates.

Option a) Looks right - Not sure about the other options.
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Each plate of a parallel plate capacitor has a charge q on it. The capacitor is now connected to a battery. Now,a)the facing surfaces of the capacitor have equal and opposite chargesb)the two plates of the capacitor have equal and opposite chargesc)the battery supplies equal and opposite charges to the two platesd)the outer surfaces of the plates have equal chargesCorrect answer is option 'A,C,D'. Can you explain this answer?
Question Description
Each plate of a parallel plate capacitor has a charge q on it. The capacitor is now connected to a battery. Now,a)the facing surfaces of the capacitor have equal and opposite chargesb)the two plates of the capacitor have equal and opposite chargesc)the battery supplies equal and opposite charges to the two platesd)the outer surfaces of the plates have equal chargesCorrect answer is option 'A,C,D'. 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 capacitor has a charge q on it. The capacitor is now connected to a battery. Now,a)the facing surfaces of the capacitor have equal and opposite chargesb)the two plates of the capacitor have equal and opposite chargesc)the battery supplies equal and opposite charges to the two platesd)the outer surfaces of the plates have equal chargesCorrect answer is option 'A,C,D'. 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 capacitor has a charge q on it. The capacitor is now connected to a battery. Now,a)the facing surfaces of the capacitor have equal and opposite chargesb)the two plates of the capacitor have equal and opposite chargesc)the battery supplies equal and opposite charges to the two platesd)the outer surfaces of the plates have equal chargesCorrect answer is option 'A,C,D'. Can you explain this answer?.
Solutions for Each plate of a parallel plate capacitor has a charge q on it. The capacitor is now connected to a battery. Now,a)the facing surfaces of the capacitor have equal and opposite chargesb)the two plates of the capacitor have equal and opposite chargesc)the battery supplies equal and opposite charges to the two platesd)the outer surfaces of the plates have equal chargesCorrect answer is option 'A,C,D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12. Download more important topics, notes, lectures and mock test series for Class 12 Exam by signing up for free.
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