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 Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 150. 450. 600. 300. 150. 450. 600. 300. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is same as that produced by one plate. double the field produced by one plate. dependent on coordinates of field points. zero. same as that produced by one plate. double the field produced by one plate. dependent on coordinates of field points. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to pass high frequencies. to block low frequencies. none of above. to pass low frequencies. to pass high frequencies. to block low frequencies. none of above. to pass low frequencies. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? maximum None of these either 1 or 2 0 maximum None of these either 1 or 2 0 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 8. 1. 2. 4. 8. 1. 2. 4. ANSWER DOWNLOAD EXAMIANS APP
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