Electromagnetic Field Theory The frequency range for satellite communication is 30000 to 300000 MHz 3000 to 30000 MHz 3 to 30 kHz 300 to 3000 kHz 30000 to 300000 MHz 3000 to 30000 MHz 3 to 30 kHz 300 to 3000 kHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave magnetic field is represented by Bx = cos(y – ct). The electric and magnetic fields will be zero in the direction Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. None of these. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which antenna is a wideband antenna? Hertz antenna Marconi antenna Folded dipole None of these Hertz antenna Marconi antenna Folded dipole None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is – 2 ux. – uy. 2 ux. 0. – 2 ux. – uy. 2 ux. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A copper disc is rotated rapidly below a freely suspended magnetic needle. The magnetic needle starts rotating with velocity equal to that of disc and in the opposite direction. less than that of disc and in the same direction. equal to that of disc and in the same direction. less than that of disc but in opposite direction. equal to that of disc and in the opposite direction. less than that of disc and in the same direction. equal to that of disc and in the same direction. less than that of disc but in opposite direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 12 mH. 24 mH. 48 mH. 3 mH. 12 mH. 24 mH. 48 mH. 3 mH. ANSWER DOWNLOAD EXAMIANS APP
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