Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is attractive. none of above. zero. repulsive. attractive. none of above. zero. repulsive. 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 A waveguide operated below cut off frequency can be used as Phase shifter None An isolator An attenuator Phase shifter None An isolator An attenuator ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It is best to use for coupling a coaxial line to a parallel wire transmission line. Slotted line Directional Coupler Tee Balun Slotted line Directional Coupler Tee Balun ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0.335/sinθ c. 0.335 C. None of above. 0. 0.335/sinθ c. 0.335 C. None of above. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will remain the same. initially increase and then decrease. increase. decrease. remain the same. initially increase and then decrease. increase. decrease. ANSWER DOWNLOAD EXAMIANS APP