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 3.75 N. 2.5 N. 2 N. 5 N. 3.75 N. 2.5 N. 2 N. 5 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which antenna is a wideband antenna? Hertz antenna Folded dipole None of these Marconi antenna Hertz antenna Folded dipole None of these Marconi antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point charge in space is attracted towards a dielectric material because of the phenomenon of dielectric polarisation. dielectric hysteresis. all of above. maximisation of electrostatic flux. phenomenon of dielectric polarisation. dielectric hysteresis. all of above. maximisation of electrostatic flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true? Equal joule heating occurs in both coils. An emf is induced in split coil. An emf is induced in both coils. Joule heating does not occur in each of the coils. Equal joule heating occurs in both coils. An emf is induced in split coil. An emf is induced in both coils. Joule heating does not occur in each of the coils. ANSWER DOWNLOAD EXAMIANS APP
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 Orbiting satellite Active satellite Passive satellite Geostationary satellite Orbiting satellite Active satellite Passive satellite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency range for satellite communication is 300 to 3000 kHz 3000 to 30000 MHz 30000 to 300000 MHz 3 to 30 kHz 300 to 3000 kHz 3000 to 30000 MHz 30000 to 300000 MHz 3 to 30 kHz ANSWER DOWNLOAD EXAMIANS APP
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