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Electromagnetic Field Theory
The frequency range for satellite communication is
3000 to 30000 MHz
30000 to 300000 MHz
300 to 3000 kHz
3 to 30 kHz
3000 to 30000 MHz
30000 to 300000 MHz
300 to 3000 kHz
3 to 30 kHz
Answer
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Related Question
Electromagnetic Field Theory
Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true?
An emf is induced in both coils.
Equal joule heating occurs in both coils.
Joule heating does not occur in each of the coils.
An emf is induced in split coil.
An emf is induced in both coils.
Equal joule heating occurs in both coils.
Joule heating does not occur in each of the coils.
An emf is induced in split coil.
Answer
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Electromagnetic Field Theory
MUF is depend upon
Electron density of the ionospheric layer
Height of ionospheric layer
Received frequency by receiver
11 year sun spot cycle
Electron density of the ionospheric layer
Height of ionospheric layer
Received frequency by receiver
11 year sun spot cycle
Answer
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Electromagnetic Field Theory
The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be
7640 N.
764 N.
76.4 N.
76400 N.
7640 N.
764 N.
76.4 N.
76400 N.
Answer
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Electromagnetic Field Theory
A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by
24t.
12t3.
12t.
4t3.
24t.
12t3.
12t.
4t3.
Answer
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Electromagnetic Field Theory
An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to
A dipole.
Both of A and B.
A quardra pole.
A monopole.
A dipole.
Both of A and B.
A quardra pole.
A monopole.
Answer
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