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Displacement current goes through the gap between the plates of a capacitor when the charge on the capacitorAis changing with timeBdecreasesCdoes not changeDdecreases to zero

Question

Displacement current goes through the gap between the plates of a capacitor when the charge on the capacitorAis changing with timeBdecreasesCdoes not changeDdecreases to zero

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Solution

The displacement current goes through the gap between the plates of a capacitor when the charge on the capacitor is changing with time. So, the correct answer is A.

Here's why:

  1. Displacement current is a concept in Maxwell's equations that allows these equations to account for changing electric fields in the term for the current density in Ampere's law.

  2. In a capacitor, when the charge is changing with time, the electric field between the plates is also changing.

  3. This changing electric field is what gives rise to the displacement current.

  4. Therefore, the displacement current exists in the gap between the capacitor plates when the charge on the capacitor is changing with time.

So, even though there is no physical movement of charge between the plates (i.e., no conduction current), there is still a displacement current due to the changing electric field.

This problem has been solved

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