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Electromagnetic Field Theory

Electromagnetic Field Theory
The frequency range for satellite communication is

3000 to 30000 MHz
3 to 30 kHz
30000 to 300000 MHz
300 to 3000 kHz

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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

 1.31 V.
 1.26 V.
 2.52 V.
 2.62 V.

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Electromagnetic Field Theory
A square corner reflector is used in which of the following?

All of these
Radio astronomy
Point-to-point communication
TV broadcast

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Electromagnetic Field Theory
Conductor is constant and field is varying then emf will be induced. This principle is called

 static induced emf.
 dynamically induced emf.
 virtually induced emf.
None of these

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Electromagnetic Field Theory
MUF is depend upon

Received frequency by receiver
11 year sun spot cycle
Height of ionospheric layer
Electron density of the ionospheric layer

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Electromagnetic Field Theory
The lagging of flux density behind the applied magnetising force is known as

All of these
 permeance.
 flux.
 hysteresis.

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MORE MCQ ON Electromagnetic Field Theory

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