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Question

Capacitance depends on which parameters?


A

Charge on capacitor

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B

Potential difference across capacitor

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C

Dielectric constant of the substance

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D

Area of plates

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E

Option c and d

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Solution

The correct option is E

Option c and d


The explanation for the correct option:

Option E:

  1. The ratio of a substance's permittivity to the permittivity of empty space is known as the dielectric constant.
  2. It is the electrical counterpart of relative magnetic permeability and expresses the amount to which a material concentrates electric flux.
  3. The larger the surface area, A, of the two conducting plates that make up the capacitor, the higher the capacitance.
  4. The lower the d between the two plates, the larger the capacitance.
  5. Capacitance is given by, q=CV

The explanation for incorrect options:

Option A: A charge is not stored in capacitors.

Option B: There is a potential difference when a capacitor is completely charged.

Therefore, option E is correct.


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