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The magnetic field between the circulate...

The magnetic field between the circulate plates of radius `12cm` separted by distance of `4mm` of a parallel plate capacitor of capacitance `100 pF`. Along the axis of plates having conduction current of `0.15 A` is

A

zero

B

1.5 T

C

15 T

D

0.15 T

Text Solution

Verified by Experts

The correct Answer is:
A
B = `(mu_(0)I_(d) r)/(2 pi R^(2)) , r = 0 `
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NARAYNA-ELECTROMAGNETIC WAVES -EXERCISE -1(C.W)
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  2. A condenser is charged using a constant current. The ratio of the magn...

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  3. The magnetic field between the circulate plates of radius 12cm separte...

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  4. The magnetic field of an electromagnetic wave is given by 3 xx 10^(-...

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  5. If a source is transmitting electro magnetic waves of frequency 8.196 ...

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  6. The wave function (in S.I unit) for an electromagnetic wave is given a...

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  7. The velocity of all radiowaves in free space is 3xx10^(8),//s, the fre...

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  8. The relative permeability of glass is 3//8 and the dielectric constant...

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  9. An electromagnetic wave of frequency v=3.0 MHz passes from vacuum into...

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

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  11. The amplitude of the magnetic field part of a harmonic electromagnetic...

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  12. In a plane electromagnetic wave, the electric field oscillates sinnuso...

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  13. In a plane electromagnetic wave, the electric field oscillates sinusoi...

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

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  15. The amplitude of the sinusodially oscillating electric field of a plan...

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  16. Light with energy flux of 18W//cm^(2) falls on a non reflecting surfac...

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  17. Light with energy flux of 24Wm^(-2) is incident on a well polished dis...

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  18. The magnetic field in a plane electromagnetic wave is given by B= (200...

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  19. The average value of electric energy density in an electromagnetic wav...

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  20. The electric field of a plane electromagnetic wave varies with time of...

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