Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Div curl A. Curl curl A. Div grad V. Grad div A. Div curl A. Curl curl A. Div grad V. Grad div A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is 2.16. Infinity. 4.32. Zero. 2.16. Infinity. 4.32. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying 106 volts. 106 volts/sec. 106 Amp. 106 Amp/sec. 106 volts. 106 volts/sec. 106 Amp. 106 Amp/sec. 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 8 π V. 0.8 π V. Zero. 0.4 π V. 8 π V. 0.8 π V. Zero. 0.4 π V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0.335/sinθ c. 0.335 C. None of above. 0. 0.335/sinθ c. 0.335 C. None of above. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Depends on strength of current element. Infinity. Unity. Zero. Depends on strength of current element. Infinity. Unity. Zero. ANSWER DOWNLOAD EXAMIANS APP
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