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Electromagnetic Field Theory

Electromagnetic Field Theory
The frequency range for satellite communication is

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

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Electromagnetic Field Theory
The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of

 cross-sectional area of conductor.
 flux density.
 current flowing through the conductor.
 length of conductor.

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Electromagnetic Field Theory
It is best to use for coupling a coaxial line to a parallel wire transmission line.

Slotted line
Directional Coupler
Balun
Tee

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Electromagnetic Field Theory
An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is

 1/75.
 75.
 50.
 100.

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Electromagnetic Field Theory
Mutual inductance between two magnetically coupled coils depends on

 cross sectional area of their common core.
 permeability of core.
 the number of their turns.
 all of above.

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

 flux.
All of these
 hysteresis.
 permeance.

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MORE MCQ ON Electromagnetic Field Theory

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