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Two parallel metal plates carry opposite electrical charges each with a magnitude of Q. The plates are separated by a distance d and each plate has an area A.
Consider the following :
(I) increasing Q
(II) increasing d
(III) increasing A
Which of the following would have the effect of reducing the potential difference between the plates?
  • a)
    I only
  • b)
    II only
  • c)
    III only
  • d)
    I and III
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Two parallel metal plates carry opposite electrical charges each with ...
Increasing Q:
- The potential difference between the plates is directly proportional to the magnitude of the charges on the plates.
- Therefore, increasing the charge Q will increase the potential difference between the plates.

Increasing d:
- The potential difference between the plates is inversely proportional to the distance between them.
- Therefore, increasing the distance d will decrease the potential difference between the plates.

Increasing A:
- The potential difference between the plates is not directly affected by the area of the plates.
- Increasing the area A will not have any effect on the potential difference between the plates.

Reducing the potential difference between the plates:
- We want to reduce the potential difference between the plates.
- From the above analysis, we can see that increasing Q will increase the potential difference, so it is not the correct option.
- Increasing d will decrease the potential difference, so it is a possible option.
- Increasing A will not have any effect on the potential difference, so it is not the correct option.
- Based on the above analysis, the correct option is option 'C' - increasing d only.

In conclusion, increasing the distance between the plates (option II) will have the effect of reducing the potential difference between the plates. Increasing the magnitude of the charges on the plates (option I) will increase the potential difference, while increasing the area of the plates (option III) will not have any effect on the potential difference.
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Two parallel metal plates carry opposite electrical charges each with a magnitude of Q. The plates are separated by a distance d and each plate has an area A.Consider the following :(I) increasing Q(II) increasing d(III) increasing AWhich of the following would have the effect of reducing the potential difference between the plates?a)I onlyb)II onlyc)III onlyd)I and IIICorrect answer is option 'C'. Can you explain this answer?
Question Description
Two parallel metal plates carry opposite electrical charges each with a magnitude of Q. The plates are separated by a distance d and each plate has an area A.Consider the following :(I) increasing Q(II) increasing d(III) increasing AWhich of the following would have the effect of reducing the potential difference between the plates?a)I onlyb)II onlyc)III onlyd)I and IIICorrect answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Two parallel metal plates carry opposite electrical charges each with a magnitude of Q. The plates are separated by a distance d and each plate has an area A.Consider the following :(I) increasing Q(II) increasing d(III) increasing AWhich of the following would have the effect of reducing the potential difference between the plates?a)I onlyb)II onlyc)III onlyd)I and IIICorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two parallel metal plates carry opposite electrical charges each with a magnitude of Q. The plates are separated by a distance d and each plate has an area A.Consider the following :(I) increasing Q(II) increasing d(III) increasing AWhich of the following would have the effect of reducing the potential difference between the plates?a)I onlyb)II onlyc)III onlyd)I and IIICorrect answer is option 'C'. Can you explain this answer?.
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