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Which one of the following is an equatio...

Which one of the following is an equation of magnetic energy density?

A

`(1)/(2)mu_(0)B^(2)`

B

`(B^(2))/(2mu_(0))`

C

`(2B^(2))/(mu_(0))`

D

`(B^(2))/(mu_(0))`

Text Solution

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The correct Answer is:
A
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KUMAR PRAKASHAN-ELECTROMAGNETIC WAVES-BOARD.S QUESTION PAPER MARCH - 2020 (PART - A)
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  2. The magnitude of the induced emf is equal to the time rate of change o...

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  3. Which one of the following is an equation of magnetic energy density?

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  4. A 15 mu F capacitor is connected to a 220V, 50Hz a.c source Value of c...

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  5. Electric quantity …………is equivalent to mechanical quantity, force cons...

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  6. In L-C capacitor oscillator at………. Time energy in capacitor and energy...

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  7. A power transmission line feeds input power at 3300V to a step down tr...

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  8. Dimension of 1/(mue) is same as dimension of…….

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  9. Frequency of FM radio band is from…….

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  10. To destroy cancer cells……. Are used.

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  11. In optical fiber the refractive index of the material of the core is……...

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  12. A magician during a show makes a glass lens with n=1.47 disappear in t...

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  13. If a size of particle is a and wavelength of light is lamda for a lt l...

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  14. In a Young double slit experiment, the width of the source slit is inc...

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  15. V(radial) is considered…….when the source moves away from the observer...

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  16. Assume that light of wavelength 6000Å is coming from a star. What is t...

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  17. Unpolarised light is incident on a plane glass surface. What would be ...

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  18. Work function of ……is the lowest.

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  19. By applying electric field of the order of………..Vm^-1 to a metal, elect...

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  20. Value of stopping potential depends on……. Of incident light.

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