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Electromagnetic Field Theory

Electromagnetic Field Theory
A square corner reflector is used in

Radio astronomy
All of these
Point to point communication
Tv broadcast

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Electromagnetic Field Theory
The radiation pattern of a parabola antenna is

A figure of directional
None of these
Omnidirectional
Highly directional

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Electromagnetic Field Theory
Between a hollow and solid metal sphere, charge reside

 on outer surface in hollow and throughout in solid
 on outer surface in both.
 on outer surface in hollow and throughout in solid.
 None of above.

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Electromagnetic Field Theory
When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called

Dispersion
Polarisation
Absorption
Scattering

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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

 1.26 V.
 1.31 V.
 2.62 V.
 2.52 V.

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Electromagnetic Field Theory
The energy stored in the magnetic field in a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current at 10 amp, is

 0.015 joule.
 1.15 joule.
 0.015 joule.
 0.15 joule.

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MORE MCQ ON Electromagnetic Field Theory

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