Electromagnetic Field Theory The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following q(E + V × B). q(H + V × E). q(E +V × H). q(E + B × V). q(E + V × B). q(H + V × E). q(E +V × H). q(E + B × V). 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? Unity. Zero. Infinity. Depends on strength of current element. Unity. Zero. Infinity. Depends on strength of current element. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor when connected across 220 V, 50 Hz supply consumes 100 W. From the above statement it can be concluded that the inductor is made of thin wire. the above statement is false. the inductor is non linear. the inductor has ferrite core. the inductor is made of thin wire. the above statement is false. the inductor is non linear. the inductor has ferrite core. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called virtually induced emf. dynamically induced emf. None of these static induced emf. virtually induced emf. dynamically induced emf. None of these static induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 225. 145. 150. 250. 225. 145. 150. 250. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It is best to use for coupling a coaxial line to a parallel wire transmission line. Balun Tee Directional Coupler Slotted line Balun Tee Directional Coupler Slotted line ANSWER DOWNLOAD EXAMIANS APP
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