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Electromagnetic Field Theory

Electromagnetic Field Theory
The Biot-savarts law is a general modification of

 Faradays law.
 Amperes law.
 Lenzs law.
 Kirchhoffs law.

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Electromagnetic Field Theory
Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by,

 V × D²
 V / D
 V² / D
 V × D

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Electromagnetic Field Theory
The power gain of a half-wave dipole with respect to an isotropic radiator is

4.15 db
6 db
3 db
2.15 db

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Electromagnetic Field Theory
________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field.

 Magnetic flux density.
 Electric intensity.
None of these
 Electric flux.

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Electromagnetic Field Theory
If a and b are the dimensions of waveguide then

a = 3b
a = 2b
a = b/4
a = b

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Electromagnetic Field Theory
A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is

 2.52 V.
 2.62 V.
 1.26 V.
 1.31 V.

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