Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of D = ρv. Divergence of B = 0. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). Divergence of D = ρv. Divergence of B = 0. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 600. 450. 150. 300. 600. 450. 150. 300. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is the unit of inductance? Ampere turns. Milli- henry. Ohm. Webers / m. Ampere turns. Milli- henry. Ohm. Webers / m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 0.8 π V. 8 π V. Zero. 0.4 π V. 0.8 π V. 8 π V. Zero. 0.4 π V. ANSWER DOWNLOAD EXAMIANS APP
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 series aiding inductance. self inductance. capacitance. mutual inductance. series aiding inductance. self inductance. capacitance. mutual inductance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point charge in space is attracted towards a dielectric material because of the all of above. maximisation of electrostatic flux. phenomenon of dielectric polarisation. dielectric hysteresis. all of above. maximisation of electrostatic flux. phenomenon of dielectric polarisation. dielectric hysteresis. ANSWER DOWNLOAD EXAMIANS APP
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