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source of an electromagnetic wave is...

source of an electromagnetic wave is

A

A charge moving with constant velocity

B

A charge at rest

C

A charge moving in a circular orbit

D

Charges cannot produce an EM wave

Text Solution

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The correct Answer is:
C
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MOTION-ELECTRO MAGNETIC WAVES -EXERCISE - 2
  1. For any E.M. wave if E = 100 V/m and B = 3.33 x10^(–7) T. Then the rat...

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  2. A variable frequency AC source is connected to a capacitor. Then on in...

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  3. source of an electromagnetic wave is

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  4. The dimension of E/H is that of

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  5. Poynting vector vec P for an EM wave is

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  6. Which one statement is incorrect about electromagnetic wave

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  7. In an electromagnetic wave, the amplitude of electric field is 10 V/m....

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  8. To establish an instantaneous displacement current of 2A in the space ...

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

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  10. Which one statement is incorrect

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

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  12. Displacement current is

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

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

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

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  16. The shortest wavelength is for

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  17. An accelerated charge

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

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

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  20. Which of the following are not electromagnetic waves ?

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