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Electromagnetic Field Theory
The minimum height of outer atmosphere is
100 km
400 km
200 km
150 km
100 km
400 km
200 km
150 km
Answer
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Related Question
Electromagnetic Field Theory
If a and b are the dimensions of waveguide then
a = 3b
a = b
a = b/4
a = 2b
a = 3b
a = b
a = b/4
a = 2b
Answer
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Electromagnetic Field Theory
Which of following circuit element stores energy in electro-magnetic field?
Variable Resistor.
Condenser.
Inductor.
Capacitor.
Variable Resistor.
Condenser.
Inductor.
Capacitor.
Answer
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Electromagnetic Field Theory
In case of all flux from the current in coil 1 links with coil 2, the coefficient of coupling will be
2.0.
1.0.
0.5.
Zero.
2.0.
1.0.
0.5.
Zero.
Answer
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Electromagnetic Field Theory
Which of the following statement is correct for divergence of electric and magnetic flux densities?
Both are zero.
It is zero for the magnetic flux density.
It is zero for the electric flux density.
These are zero for static densities but non zero for time varying densities.
Both are zero.
It is zero for the magnetic flux density.
It is zero for the electric flux density.
These are zero for static densities but non zero for time varying densities.
Answer
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Electromagnetic Field Theory
MUF is highest in periods of greatest sunspot activity.
False
True
False
True
Answer
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