Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very high Very low Infinite Zero Very high Very low Infinite Zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to pass low frequencies. to block low frequencies. none of above. to pass high frequencies. to pass low frequencies. to block low frequencies. none of above. to pass high frequencies. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is not a unit of flux? Maxwell. Weber. All of above. Telsa. Maxwell. Weber. All of above. Telsa. 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? Depends on strength of current element. Zero. Unity. Infinity. Depends on strength of current element. Zero. Unity. Infinity. 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 15 W. 25 W. 50 W. 20 W. 15 W. 25 W. 50 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as lines of force. tubes of indication. none of them. magnetic flux. lines of force. tubes of indication. none of them. magnetic flux. ANSWER DOWNLOAD EXAMIANS APP