Electromagnetic Field Theory Which of the following impedance inversion is obtained? A quarter wave line Balun transformer A half wave line Short-circuited stub A quarter wave line Balun transformer A half wave line Short-circuited stub 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 40 V. 80 V. 60 V. 8 V. 40 V. 80 V. 60 V. 8 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as V = IR. J = E / σ. J = σE. R = ρ × ( l / A). V = IR. J = E / σ. J = σE. R = ρ × ( l / A). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be perpendicular to axis. at an angle 45o with the axis. zero. parallel to axis. perpendicular to axis. at an angle 45o with the axis. zero. parallel to axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It was suggested by _____________ that the electric field should be imagined to be divided into tubes of force containing a fixed number of line of force Kelvin. Faraday. all of above. Newton. Kelvin. Faraday. all of above. Newton. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying 106 Amp. 106 volts/sec. 106 volts. 106 Amp/sec. 106 Amp. 106 volts/sec. 106 volts. 106 Amp/sec. ANSWER DOWNLOAD EXAMIANS APP