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Displacement current is...

Displacement current is

A

due to flow of free electrons

B

due to a constant electric field

C

due to flow of both positive and negative free charge carriers

D

due to time varying electrical field

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The correct Answer is:
D
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A capacitor, made of two parallel plates each of plate area A and separation d, is being charged by an external ac socurce. Show that the displacement current inside the same as the current charging the capacitor.

A capacitor, made of two parallel plates each of plate area A and separation d, is being charged by an external ac socurce. Show that the displacement current inside the same as the current charging the capacitor.

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AAKASH SERIES-ELECTROMAGNETIC WAVES-EXERCISE -IA
  1. The idea of displacement current was introduced by

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  2. The SI unit of displacement current is

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  3. Displacement current is

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  4. The displacement current was named as current because

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  5. The displacement current is found

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  6. The conduction current is same as displacement current when source is

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  7. Maxwell’s equation laws of

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  8. According to Maxwell’s hypothesis, a changing electric field gives ris...

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  9. The phase and orientation of the electric field vector linked with ele...

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  10. The velocity of electromagnetic wave is parallel to

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  11. The electromagnetic waves do not transport

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  12. Electromagnetic waves are transverse is nature is evident by

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  13. Choose the only wrong statement from the following about electromagnet...

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  14. Which of the following statement is true ?

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  15. An electromagnetic wave going through vacuum is described by E= E0 s...

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  16. Which of the following rays has minimum frequency?

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  17. Which of the following are not electromagnetic waves? (i) alpha-rays...

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  18. Which of the following electromagnetic waves has smallest wavelength?

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  19. Which of the following waves has the longest wavelength?

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  20. If u(E ) and u(B) be the time average of the electric and magnetic fie...

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