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Electromagnetic Field Theory
A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation
z direction.
– z direction.
– y direction.
y direction.
z direction.
– z direction.
– y direction.
y direction.
Answer
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Related Question
Electromagnetic Field Theory
A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is
40 V.
60 V.
80 V.
8 V.
40 V.
60 V.
80 V.
8 V.
Answer
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Electromagnetic Field Theory
1 Tesla =
1 wb .
1 wb/m.
1 wb- m2.
1 wb/ m2.
1 wb .
1 wb/m.
1 wb- m2.
1 wb/ m2.
Answer
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Electromagnetic Field Theory
Unit of electric flux density is
coulomb / meter2.
farad / meter.
coulomb.
weber / meter2.
coulomb / meter2.
farad / meter.
coulomb.
weber / meter2.
Answer
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Electromagnetic Field Theory
A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is
Zero.
Due to transformer only.
Due to rotating only.
Due to both rotating and transformer action.
Zero.
Due to transformer only.
Due to rotating only.
Due to both rotating and transformer action.
Answer
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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) 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.
(103/377) cos(ωt - β z)(-ux) A/m.
None of above.
Answer
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