Electromagnetic Field Theory A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is Zero. Due to both rotating and transformer action. Due to rotating only. Due to transformer only. Zero. Due to both rotating and transformer action. Due to rotating only. Due to transformer only. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Self inductance of magnetic coil is proportional to 1 / N. 1 / N2. N. N2. 1 / N. 1 / N2. N. N2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is double the field produced by one plate. zero. same as that produced by one plate. dependent on coordinates of field points. double the field produced by one plate. zero. same as that produced by one plate. dependent on coordinates of field points. 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. Joule heating does not occur in each of the coils. An emf is induced in both coils. An emf is induced in split coil. Equal joule heating occurs in both coils. Joule heating does not occur in each of the coils. An emf is induced in both coils. An emf is induced in split coil. 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. 0. 2 ux. – 2 ux. – uy. 0. 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Coulombs law for the force between electric charges most closely resembles with Newtons law of motion. Law of conservation of energy. Newtons law of gravitation. Gauss theorem. Newtons law of motion. Law of conservation of energy. Newtons law of gravitation. Gauss theorem. ANSWER DOWNLOAD EXAMIANS APP
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