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Electromagnetic Field Theory
Magnetic flux density emerging out of a closed surface is
zero.
depends on magnetic movements inside the closed surface.
depends on magnetic movements outside the closed surface
infinite.
zero.
depends on magnetic movements inside the closed surface.
depends on magnetic movements outside the closed surface
infinite.
Answer
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Related Question
Electromagnetic Field Theory
The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is
60 nj.
20 nj.
100 nj.
40 nj.
60 nj.
20 nj.
100 nj.
40 nj.
Answer
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Electromagnetic Field Theory
The wave in wave guide has
Larger frequency than in the free space
Diminishing wavelength than in the free space
Larger wavelength than in the free space
Group velocity inversely proportional to wavelength
Larger frequency than in the free space
Diminishing wavelength than in the free space
Larger wavelength than in the free space
Group velocity inversely proportional to wavelength
Answer
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Electromagnetic Field Theory
The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then
none of these.
it is a perfect transformer.
turns ratio of the transformer is also two.
transformer is an ideal transformer.
none of these.
it is a perfect transformer.
turns ratio of the transformer is also two.
transformer is an ideal transformer.
Answer
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Electromagnetic Field Theory
The principle of dynamically induced emf is utilized in a
choke.
thermocouple.
transformer.
generator.
choke.
thermocouple.
transformer.
generator.
Answer
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Electromagnetic Field Theory
A square corner reflector is used in
Point to point communication
All of these
Tv broadcast
Radio astronomy
Point to point communication
All of these
Tv broadcast
Radio astronomy
Answer
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