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Define displacement current....

Define displacement current.

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Displacement current exists across a surface in which electric flux changes. Magnitude of displacement current is `I_d = epsi_0 ( d phi _E )/( d t)`
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MODERN PUBLICATION-ELECTROMAGNETIC WAVES-REVISION EXERCISES ( VERY SHORT ANSWER QUESTIONS)
  1. What is the missing term in Ampere's circuital law?

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  2. Define displacement current.

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  3. Mention the need for displacement current.

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  4. What is displacement current and write the modified Ampere's circuital...

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  5. Why did Maxwell introduce the concept of displacement current in his t...

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  6. Write the magnitude of displacement current.

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  7. Can a displacement current produce a magnetic field as the conduction ...

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  8. A variable frequency AC source is connected to a capacitor. How will t...

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  9. What are the magnitudes of conduction and displacement currents if a c...

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  10. If the charging current for a capacitor is 0.3 A then what is the disp...

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  11. What is the source of an electromagnetic wave?

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  12. A plane electromagnetic wave travels in vacuum along z-direction. What...

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  13. Can an electromagnetic wave be deflected by an electric field? By a m...

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  14. The magnetic field in a plane electromagnetic wave is: By = 2 xx 10^(-...

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  15. What is the ratio of speed of infrared and radio waves in vacuum?

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  16. INTENSITY OF ELECTROMAGNETIC WAVE

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  17. What is the intensity of an electromagnetic wave in terms of electric ...

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  18. RADIATION PRESSURE

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  19. Which of the following has lowest frequency? Gamma rays, Radio waves, ...

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  20. The dereasing order of wavelength of infrared, microwave, ultraviloet ...

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