Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? Zero. Null vector. | E |. E. Zero. Null vector. | E |. E. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as An attenuator None An isolator Phase shifter An attenuator None An isolator Phase shifter ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 80 V. 8 V. 40 V. 60 V. 80 V. 8 V. 40 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to volume change density. Equal to the surface charge density. Equal to total charge enclosed by the surface. Zero. Equal to volume change density. Equal to the surface charge density. Equal to total charge enclosed by the surface. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called Absorption Polarisation Dispersion Scattering Absorption Polarisation Dispersion Scattering 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 C/m2. aρv/3 C/m2. aρv/4 C/m2. ρv/3 C/m2. aρv C/m2. aρv/3 C/m2. aρv/4 C/m2. ρv/3 C/m2. ANSWER DOWNLOAD EXAMIANS APP
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