Electromagnetic Field Theory The effective reactance of an inductive coil none of these. increases because of stray capacitance as the frequency increases. decreases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. none of these. increases because of stray capacitance as the frequency increases. decreases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. 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 and torque on the coil are both zero. the net force is zero but torque is finite. the net force is finite but torque is zero. the net force and torque are both finite. the net force and torque on the coil are both zero. the net force is zero but torque is finite. the net force is finite but torque is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 1mA. 2.5 mA. 1.5 mA. 2 mA. 1mA. 2.5 mA. 1.5 mA. 2 mA. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetostriction is a phenomenon of generation of electricity in ferromagnetic materials. generation of magnetism in electrical conductors. change in permeability of ferromagnetic materials during magnetism. change in physical dimensions of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. generation of magnetism in electrical conductors. change in permeability of ferromagnetic materials during magnetism. change in physical dimensions of ferromagnetic materials during magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be zero. parallel to axis. at an angle 45o with the axis. perpendicular to axis. zero. parallel to axis. at an angle 45o with the axis. perpendicular to axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Skin depth is proportional to 1/√σ. Frequency. Permeability. √(σ). 1/√σ. Frequency. Permeability. √(σ). ANSWER DOWNLOAD EXAMIANS APP
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