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In an electromagnetic wave...

In an electromagnetic wave

A

power is transmitted along the magnetic field

B

power is transmitted along the electric field

C

power is equally transferred along the electric and magnetic fields

D

power is transmitted in a direction perpendicular to both the fields

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The correct Answer is:
D
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DISHA PUBLICATION-ELECTROMAGNETIC WAVES-Exercise - 1 : Concept Builder (Topicwise)(Topic 1 : Electromagnetic Waves and Displacement Current)
  1. The magnetic field In a travelling electromagnetic wave has a peak val...

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  2. Maxwell's modified form of Ampere's circuital law is

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  3. The speed of electromagnetic wave in vacuum

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  4. Which of the following type of radiations are radiated by an oscillati...

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  5. According to Maxwell's hypothesis, a changing electrio field gives ris...

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  6. In an electromagnetic wave

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  7. A beam has intensity 2.5xx10^(14)Wm^(-2). The ratio of electric and ma...

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  8. Conduction current flows

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  9. The displacement current is

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  10. If a source is transmitting electromagnetic wave of frequency 5.2xx10^...

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  11. In an apparatus the electric field was found to oscillate with an ampl...

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  12. In an electromagnetic wave, the electric and magnetising fields are 10...

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  13. A plane electromagnetic wave travels in free space along x-axis. At a ...

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  14. A new system of unit is evolved in which the values of mu(0) and in(0)...

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  15. The average electric field of electromagnetic waves in certain region ...

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  16. Figure shows a parallel plate capacitor and the current in the connect...

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  17. The rms value of the electric field of the light from the sun is 720 N...

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  18. In order to establish an instantaneous displacemet current of 1 mA in ...

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  19. A plane electromagnetic wave travels in free space along X-direction. ...

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  20. The electric field associted with an electromagnetic wave in vacuum is...

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