Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will initially increase and then decrease. increase. remain the same. decrease. initially increase and then decrease. increase. remain the same. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Poyniting vector has the dimensions Watts/metre2. Watt × metre2. Watt/metre. Watt × metre. Watts/metre2. Watt × metre2. Watt/metre. Watt × metre. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be perpendicular to the axis. zero. at angle of 45° with the axis. parallel to axis. perpendicular to the axis. zero. at angle of 45° with the axis. parallel to axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 5 N. 2.5 N. 3.75 N. 2 N. 5 N. 2.5 N. 3.75 N. 2 N. 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. 10 mH. 5 mH. 20 mH. 0 mH. 10 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory RF inductor are characterized by low current rating and high resistance. high current rating and low resistance. high current rating and high resistance. low current rating and low resistance. low current rating and high resistance. high current rating and low resistance. high current rating and high resistance. low current rating and low resistance. ANSWER DOWNLOAD EXAMIANS APP
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