Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of electric field. protons. electrons. neutrons. electric field. protons. electrons. neutrons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 8 V. 40 V. 60 V. 80 V. 8 V. 40 V. 60 V. 80 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The skip distance is the maximum distance upto which ionospheric reflection is possible. False True False True 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 300. 450. 600. 150. 300. 450. 600. 150. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as None of these Loss coefficient Front to back ratio Transmission efficiency None of these Loss coefficient Front to back ratio Transmission efficiency 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. dependent on coordinates of field points. zero. double the field produced by one plate. same as that produced by one plate. dependent on coordinates of field points. zero. double the field produced by one plate. ANSWER DOWNLOAD EXAMIANS APP
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