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What is displacement current?...

What is displacement current?

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Distinguish between:- Conduction current and displacement current.

Explain the concept of displacement current.

Where does displacement current occur?

When an electromagnetic wave enters the ionised layer of ionosphere, the motion of electron cloud produces a space current and the electric field has its own capacittive displacement current then.

If (dphi_E)/dt is the rate of change of electric flux, then why is the quantity epsilon_0 (dphi_E)/dt is called the displacement current?

Select and write correct alternative from the following alternatives: The displacement current is due to

A capacitor is connected to the D-C source. How do the conduction and displacement currents set up, compared with each other:- during the charging up process?

A capacitor is connected to the D-C source. How do the conduction and displacement currents set up, compared with each other:- after the capacitor gets fully charged?

What kind of reaction is displacement reaction ?

CHETANA PUBLICATION-ELECTROMAGNETIC WAVES AND COMMUNICATON SYSTEM-EXERCISE
  1. How does energy from the sun, which is an essential requirement for li...

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  2. What are the different sources from which we get EM waves in day to da...

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  3. What is displacement current?

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  4. What is the achievement of H. Hertz regarding EM waves?

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  5. What was Sir Jagdish Chandra Bose contribution towards EM waves?

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  6. For what work was Nobel prize in 1909 in Physics awarded to G. Marconi...

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  7. State few laws relating electric and magnetic fields.

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  8. What are EM waves?

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  9. What are the direction of electric field, magnetic field and direction...

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  10. What is the source of EM waves?

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  11. Can we produce a pure electric or magnetic waves in space? Why?

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  12. How are EM waves produced?

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  13. Does an ordinary electric lamp emit EM waves?

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  14. State the mathematical expression for electric field and magnetic fiel...

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  15. State characteristics of an EM wave.

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  16. Write the formula for velocity of EM waves in vacuum and in given medi...

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  17. Write the formula for intensity of a wave in EM waves.

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  18. Calculate the frequency in MHz of a radio wave of wavelength 250 m. Re...

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  19. Calculate the wavelength in nm of an X-ray wave of frequency 2 xx 10^1...

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  20. The speed of light is 3 xx 10^8m//sec. Calculate the frequency of red ...

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