Electromagnetic Field Theory The wave in wave guide has Diminishing wavelength than in the free space Larger frequency than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger frequency than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength 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? Infinity. Unity. Depends on strength of current element. Zero. Infinity. Unity. Depends on strength of current element. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory XEROX machine is working on magnetic effect. peltier effect. electrostatic effect. heating effect of current. magnetic effect. peltier effect. electrostatic effect. heating effect of current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is infinite. depends on magnetic movements outside the closed surface depends on magnetic movements inside the closed surface. zero. infinite. depends on magnetic movements outside the closed surface depends on magnetic movements inside the closed surface. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = 2b a = 3b a = b a = b/4 a = 2b a = 3b a = b a = b/4 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna With a reflector and one or more directors Only With a reflector With one or more directors With a reflector and one or more directors Only With a reflector With one or more directors ANSWER DOWNLOAD EXAMIANS APP