Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as V = IR. J = σE. R = ρ × ( l / A). J = E / σ. V = IR. J = σE. R = ρ × ( l / A). J = E / σ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? Balun transformer A quarter wave line Short-circuited stub A half wave line Balun transformer A quarter wave line Short-circuited stub A half wave line ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then the net force and torque are both finite. the net force is finite but torque is zero. the net force is zero but torque is finite. the net force and torque on the coil are both zero. the net force and torque are both finite. the net force is finite but torque is zero. the net force is zero but torque is finite. the net force and torque on the coil are both zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 50 W. 25 W. 20 W. 15 W. 50 W. 25 W. 20 W. 15 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as series aiding inductance. self inductance. capacitance. mutual inductance. series aiding inductance. self inductance. capacitance. mutual inductance. 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 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. same as that produced by one plate. dependent on coordinates of field points. zero. ANSWER DOWNLOAD EXAMIANS APP
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