Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 0.8 π V. 0.4 π V. 8 π V. Zero. 0.8 π V. 0.4 π V. 8 π V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as series aiding inductance. self inductance. capacitance. mutual inductance. series aiding inductance. self inductance. capacitance. mutual inductance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following q(H + V × E). q(E +V × H). q(E + B × V). q(E + V × B). q(H + V × E). q(E +V × H). q(E + B × V). q(E + V × B). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Circle Elliptical Semicircle Cardoid or Limacon Circle Elliptical Semicircle Cardoid or Limacon ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a Circle None of these Figure of eight Null Circle None of these Figure of eight Null ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is 1/75. 75. 100. 50. 1/75. 75. 100. 50. ANSWER DOWNLOAD EXAMIANS APP
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