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 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. the net force and torque are both finite. the net force and torque on the coil are both zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when None of these The impedance of one is the complex conjugate of the other The impedance of one is equal to that of the other The impedance of one of the networks is half that of the other None of these The impedance of one is the complex conjugate of the other The impedance of one is equal to that of the other The impedance of one of the networks is half that of the other ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.59 m. 1.19 m. 1.39 m. 1.29 m. 1.59 m. 1.19 m. 1.39 m. 1.29 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Zero. Unity. Depends on strength of current element. Infinity. Zero. Unity. Depends on strength of current element. Infinity. 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 mA. 2.5 mA. 1.5 mA. 1mA. 2 mA. 2.5 mA. 1.5 mA. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position 5 × 10-5 uy N. 5 × 10-5 ux N. - 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 uy N. 5 × 10-5 ux N. - 5 × 10-5 uy N. 5 × 10-5 uz N. ANSWER DOWNLOAD EXAMIANS APP
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