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 decrease. increase. remain the same. initially increase and then decrease. decrease. increase. remain the same. initially increase and then decrease. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An inductor designed with 400 turns coil wound on an iron core of 16 cm2 cross sectional area and with a cut of air gap length of 1 mm. The coil is connected to a 230 V, 50 Hz supply. Neglected coil resistance, core loss, iron reluctance and leakage inductance. Find the current in the inductor. 2.28 A. 18.08 A. 4.56 A. 9.04 A. 2.28 A. 18.08 A. 4.56 A. 9.04 A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be zero. BI2L. BL2I. BIL. zero. BI2L. BL2I. BIL. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement is correct for divergence of electric and magnetic flux densities? It is zero for the electric flux density. It is zero for the magnetic flux density. Both are zero. These are zero for static densities but non zero for time varying densities. It is zero for the electric flux density. It is zero for the magnetic flux density. Both are zero. These are zero for static densities but non zero for time varying densities. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above question no. 9, the average force on the core to reduce the air gap will be 3332.47 N. 6664.8 N. 832.29 N. 1666.22 N. 3332.47 N. 6664.8 N. 832.29 N. 1666.22 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A satellite that simply reflect back the signals from one region of the earth to the other region is known as Orbiting satellite Geostationary satellite Passive satellite Active satellite Orbiting satellite Geostationary satellite Passive satellite Active satellite ANSWER DOWNLOAD EXAMIANS APP
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