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Electromagnetic Field Theory
In free space E (z, t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z, t)
(103/377) cos(ωt - β z)(-ux) A/m.
None of above.
(103/377) sin(ωt - β z)(ux) A/m.
(103/377) sin(ωt - β z)(-ux) A/m.
(103/377) cos(ωt - β z)(-ux) A/m.
None of above.
(103/377) sin(ωt - β z)(ux) A/m.
(103/377) sin(ωt - β z)(-ux) A/m.
Answer
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Related Question
Electromagnetic Field Theory
In H-plane metal plate lens the travelling wave front is
Accelerated
Totally retarded
Retarded
Neither accelerated nor retarded
Accelerated
Totally retarded
Retarded
Neither accelerated nor retarded
Answer
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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
length of conductor.
cross-sectional area of conductor.
current flowing through the conductor.
flux density.
length of conductor.
cross-sectional area of conductor.
current flowing through the conductor.
flux density.
Answer
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Electromagnetic Field Theory
The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as
capacitance.
self inductance.
mutual inductance.
series aiding inductance.
capacitance.
self inductance.
mutual inductance.
series aiding inductance.
Answer
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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
A coil of 300 turns is wound on a non magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The inductance of the coil corresponding to a magnetizing current of 6 A will be
113.04 μH.
3.768 μH.
1.1304 μH.
37.68 μH.
113.04 μH.
3.768 μH.
1.1304 μH.
37.68 μH.
Answer
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