Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n = - k. n = K. n. k = 0. n × k = 0. n = - k. n = K. n. k = 0. n × k = 0. 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. 2.5T. 10T. 0.5T. 5T. 2.5T. 10T. 0.5T. 5T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 150. 600. 300. 450. 150. 600. 300. 450. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a Circle Figure of eight None of these Null Circle Figure of eight None of these Null ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current at 10 amp, is 1.15 joule. 0.015 joule. 0.015 joule. 0.15 joule. 1.15 joule. 0.015 joule. 0.015 joule. 0.15 joule. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal surface with 1 meter radius and surface charge density of 20 coulombs / m2 is enclosed in a 10 m side cube. The total outward electric displacement normal to the surface of the cube is 10π coulombs. 80π coulombs. none of these. 40π coulombs. 10π coulombs. 80π coulombs. none of these. 40π coulombs. ANSWER DOWNLOAD EXAMIANS APP
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