Electromagnetic Field Theory For an inductor, current is proportional to magnetic field. both (A) and (B). none of them. voltage across the inductor. magnetic field. both (A) and (B). none of them. voltage across the inductor. ANSWER DOWNLOAD EXAMIANS APP
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 – uy. – 2 ux. 2 ux. 0. – uy. – 2 ux. 2 ux. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger frequency than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger wavelength than in the free space Larger frequency than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger wavelength than in the free space ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 1.5 mA. 2.5 mA. 2 mA. 1mA. 1.5 mA. 2.5 mA. 2 mA. 1mA. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be parallel to half portion and perpendicular for the other half. parallel to the plane of the wire. none of above. perpendicular to the circumference of the wire. parallel to half portion and perpendicular for the other half. parallel to the plane of the wire. none of above. perpendicular to the circumference of the wire. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Use of larger section of conductor Any of the above Top loading of antenna Providing insulation on conductor Use of larger section of conductor Any of the above Top loading of antenna Providing insulation on conductor ANSWER DOWNLOAD EXAMIANS APP
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