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Electromagnetic Field Theory
In frec 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)(-uy) A/m.
None of above.
(103/377) cos(ωt - β z)(-ux) A/m.
(103/377) sin(ωt - β z)(-ux) A/m.
(103/377) sin(ωt - β z)(-uy) A/m.
None of above.
(103/377) cos(ωt - β z)(-ux) A/m.
Answer
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Electromagnetic Field Theory
Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is
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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 current of 3 A will be
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An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be
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