Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? 0 None of these maximum either 1 or 2 0 None of these maximum either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the group velocity. normal velocity. phase velocity. velocity of propagation. group velocity. normal velocity. phase velocity. velocity of propagation. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two point charges (Q and – Q) are situated at the vertex of the square. If potential at another vertex is 2 V, so potential at opposite vertex (diagonally) is 2 V. 1 V. √ 2 V. Zero. 2 V. 1 V. √ 2 V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Saturation magnetism. Coercivity. Hysteresis. Retentivity. Saturation magnetism. Coercivity. Hysteresis. Retentivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes 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? 10 mH. 0 mH. 5 mH. 20 mH. 10 mH. 0 mH. 5 mH. 20 mH. ANSWER DOWNLOAD EXAMIANS APP
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