Electromagnetic Field Theory Which antenna is a wideband antenna? Marconi antenna Hertz antenna Folded dipole None of these Marconi antenna Hertz antenna Folded dipole None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere 3 Qr/(4 π εo R3). QR/(4π εo r3). Q/(4 π εo r3). Qr/(4 π εo R3). 3 Qr/(4 π εo R3). QR/(4π εo r3). Q/(4 π εo r3). Qr/(4 π εo R3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Coulombs law for the force between electric charges most closely resembles with Newtons law of motion. Newtons law of gravitation. Law of conservation of energy. Gauss theorem. Newtons law of motion. Newtons law of gravitation. Law of conservation of energy. Gauss theorem. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V. 5T. 10T. 0.5T. 2.5T. 5T. 10T. 0.5T. 2.5T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of magnetic field. None of these induced emf. rotor rotation. magnetic field. None of these induced emf. rotor rotation. 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 – uy. 2 ux. 0. – 2 ux. – uy. 2 ux. 0. – 2 ux. ANSWER DOWNLOAD EXAMIANS APP
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