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Electromagnetic Field Theory
A satellite that simply reflect back the signals from one region of the earth to the other region is known as
Passive satellite
Geostationary satellite
Active satellite
Orbiting satellite
Passive satellite
Geostationary satellite
Active satellite
Orbiting satellite
Answer
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Related Question
Electromagnetic Field Theory
Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be
10.
50.
5.
20.
10.
50.
5.
20.
Answer
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Electromagnetic Field Theory
The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a
Circle
None of these
Null
Figure of eight
Circle
None of these
Null
Figure of eight
Answer
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Electromagnetic Field Theory
A metal sphere with 1 m radius and a surface charge density of 10 coulombs/m2 is enclosed in a cube of 10 m side. The total outward electric displacement normal to the surface of the cube is
None of above.
5 C.
40π C.
10 C.
None of above.
5 C.
40π C.
10 C.
Answer
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Electromagnetic Field Theory
The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is
2.
4.
8.
3.
2.
4.
8.
3.
Answer
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Electromagnetic Field Theory
A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation
– y direction.
z direction.
– z direction.
y direction.
– y direction.
z direction.
– z direction.
y direction.
Answer
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