Electromagnetic Field Theory For an inductor, current is proportional to magnetic field. both (A) and (B). voltage across the inductor. none of them. magnetic field. both (A) and (B). voltage across the inductor. none of them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 5.25m. 0.5m. 0.6m. 6.25m. 5.25m. 0.5m. 0.6m. 6.25m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to An increase in the value of reactance No change in the impedance value No change in the reactance value Decrease in the value of reactance An increase in the value of reactance No change in the impedance value No change in the reactance value Decrease in the value of reactance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon None of these The weight of the conductor The value of current The direction of the conductor None of these The weight of the conductor The value of current The direction of the conductor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 0 mH. 5 mH. 10 mH. 20 mH. 0 mH. 5 mH. 10 mH. 20 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then it is a perfect transformer. turns ratio of the transformer is also two. transformer is an ideal transformer. none of these. it is a perfect transformer. turns ratio of the transformer is also two. transformer is an ideal transformer. none of these. ANSWER DOWNLOAD EXAMIANS APP