Electromagnetic Field Theory The effective reactance of an inductive coil decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 3 mH. 48 mH. 24 mH. 12 mH. 3 mH. 48 mH. 24 mH. 12 mH. 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. Yes No Yes No 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? 5 mH. 0 mH. 10 mH. 20 mH. 5 mH. 0 mH. 10 mH. 20 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce None of these A standing wave which is not progressing A stronger incident wave A stronger reflected wave None of these A standing wave which is not progressing A stronger incident wave A stronger reflected wave ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point charge in space is attracted towards a dielectric material because of the dielectric hysteresis. maximisation of electrostatic flux. all of above. phenomenon of dielectric polarisation. dielectric hysteresis. maximisation of electrostatic flux. all of above. phenomenon of dielectric polarisation. ANSWER DOWNLOAD EXAMIANS APP
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