Electromagnetic Field Theory The wave in wave guide has Larger frequency than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger wavelength than in the free space Larger frequency than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger wavelength than in the free space ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal sphere with 1 m radius and a surface charge density of 10 coulombs/m2 is enclosed in a cube of 10 m side. The total outward electric displacement normal to the surface of the cube is 5 C. 40π C. None of above. 10 C. 5 C. 40π C. None of above. 10 C. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Refraction Transmission None of these Reflection Refraction Transmission None of these Reflection ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as none of them. tubes of indication. lines of force. magnetic flux. none of them. tubes of indication. lines of force. magnetic flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Higher than Equal to No relation Less than Higher than Equal to No relation Less than ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 2.5 N. 3.75 N. 2 N. 5 N. 2.5 N. 3.75 N. 2 N. 5 N. ANSWER DOWNLOAD EXAMIANS APP