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Which of the following have zero average...

Which of the following have zero average value in a plane electromagnetic wave?

A

electric energy

B

magnetic field

C

magnetic & electric energy both

D

none of these

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The correct Answer is:
B
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MOTION-ELECTRO MAGNETIC WAVES -EXERCISE - 2
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  2. To establish an instantaneous displacement current of 2A in the space ...

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  3. Which of the following have zero average value in a plane electromagne...

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  4. Which one statement is incorrect

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  5. A plane electromagnetic wave of frequency 25 Mhz travels in free space...

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  6. Displacement current is

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  7. In a plane electromagnetic wave propagating in space has an electric f...

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  8. A radiowave has a maximum magnetic field induction of 10^(–4) T on arr...

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  9. A capacitor is having a capacity of 2pF. Electric field across the cap...

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  11. An accelerated charge

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  12. The electromagnetic radiations are in descending order of wavelength i...

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  13. X -rays and gamma rays are both electromagnetic waves. Which of the fo...

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  14. Which of the following are not electromagnetic waves ?

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  15. The frequencies of X-rays, gamma-rays and ultraviolet rays are respect...

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  16. A plane electromagnetic wave of frequency 40 MHz travels in free space...

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