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Electromagnetic Field Theory
Biot-Savarts law states the relation between magnetic intensity and
surface current only.
filament current only.
volume current only.
(A), (B), and (D) are all correct.
surface current only.
filament current only.
volume current only.
(A), (B), and (D) are all correct.
Answer
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Related Question
Electromagnetic Field Theory
The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of
length of conductor.
flux density.
current flowing through the conductor.
cross-sectional area of conductor.
length of conductor.
flux density.
current flowing through the conductor.
cross-sectional area of conductor.
Answer
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Electromagnetic Field Theory
In H-plane metal plate lens the travelling wave front is
Neither accelerated nor retarded
Totally retarded
Accelerated
Retarded
Neither accelerated nor retarded
Totally retarded
Accelerated
Retarded
Answer
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Electromagnetic Field Theory
The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be
12 mH.
24 mH.
48 mH.
3 mH.
12 mH.
24 mH.
48 mH.
3 mH.
Answer
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Electromagnetic Field Theory
A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is
0.
– uy.
2 ux.
– 2 ux.
0.
– uy.
2 ux.
– 2 ux.
Answer
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Electromagnetic Field Theory
MUF is highest in periods of greatest sunspot activity.
True
False
True
False
Answer
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