Electromagnetic Field Theory The shape of B-H curve for air gap is parabola. straight line. hyperbola. ellipse. parabola. straight line. hyperbola. ellipse. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The emf induced in a conductor rotating in bipolar field is DC and AC both. none of these. DC. AC. DC and AC both. none of these. DC. AC. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The lagging of flux density behind the applied magnetising force is known as All of these flux. hysteresis. permeance. All of these flux. hysteresis. permeance. ANSWER DOWNLOAD EXAMIANS APP
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 Due to both rotating and transformer action. Due to transformer only. Zero. Due to rotating only. Due to both rotating and transformer action. Due to transformer only. Zero. Due to rotating only. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Top loading of antenna Use of larger section of conductor Providing insulation on conductor Any of the above Top loading of antenna Use of larger section of conductor Providing insulation on conductor Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and filament current only. volume current only. surface current only. (A), (B), and (D) are all correct. filament current only. volume current only. surface current only. (A), (B), and (D) are all correct. ANSWER DOWNLOAD EXAMIANS APP
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