Electromagnetic Field Theory For an inductor, current is proportional to voltage across the inductor. both (A) and (B). none of them. magnetic field. voltage across the inductor. both (A) and (B). none of them. magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Fleming Lenz Faraday Maxwell Fleming Lenz Faraday Maxwell ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 75° to the direction of field. 60° to the direction of field. 30° to the direction of field. 45° to the direction of field. 75° to the direction of field. 60° to the direction of field. 30° to the direction of field. 45° to the direction of field. 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? 20 mH. 0 mH. 5 mH. 10 mH. 20 mH. 0 mH. 5 mH. 10 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Skin depth is proportional to Permeability. √(σ). Frequency. 1/√σ. Permeability. √(σ). Frequency. 1/√σ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 50 W. 20 W. 15 W. 25 W. 50 W. 20 W. 15 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
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