Electromagnetic Field Theory A satellite that simply reflect back the signals from one region of the earth to the other region is known as Geostationary satellite Passive satellite Active satellite Orbiting satellite Geostationary satellite Passive satellite Active satellite Orbiting satellite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Inside a hollow conducting sphere electric field changes with distance from the center of the sphere. electric field changes with magnitude of the charge given to the conductor. electric field is a non zero constant. electric field is zero. electric field changes with distance from the center of the sphere. electric field changes with magnitude of the charge given to the conductor. electric field is a non zero constant. electric field is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular loop in the x – z plane bounded by the lines x = 0, x = a, z = 0 and z = b is in a time varying magnetic field is given by B = B0 cosωt + ay. Where B0 is constant, ω is angular frequency and ay unit vector in the y direction. Now the emf induced in the loop is given by abω Bo sinω t. Zero. ab Bo cosω t. Bo ω sinω t. abω Bo sinω t. Zero. ab Bo cosω t. Bo ω sinω t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Square loop Folded dipole Conical horn Log-periodic Square loop Folded dipole Conical horn Log-periodic ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to aρv/3 C/m2. aρv/4 C/m2. aρv C/m2. ρv/3 C/m2. aρv/3 C/m2. aρv/4 C/m2. aρv C/m2. ρv/3 C/m2. ANSWER DOWNLOAD EXAMIANS APP
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