Electromagnetic Field Theory If the static magnetic flux density is B, then Divergence of B = 0. Curl of B = 0. Curl of B = J. Divergence of B = J. Divergence of B = 0. Curl of B = 0. Curl of B = J. Divergence of B = J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) PR 2/d3. PR/d2. PR/d. Zero. PR 2/d3. PR/d2. PR/d. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? None of these either 1 or 2 0 maximum None of these either 1 or 2 0 maximum 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 None of these induced emf. magnetic field. rotor rotation. None of these induced emf. magnetic field. rotor rotation. 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? An emf is induced in split coil. An emf is induced in both coils. Joule heating does not occur in each of the coils. Equal joule heating occurs in both coils. An emf is induced in split coil. An emf is induced in both coils. Joule heating does not occur in each of the coils. Equal joule heating occurs in both coils. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the Power radiated per square metre None of these Energy radiated per square metre Power radiated per unit solid angle in that direction Power radiated per square metre None of these Energy radiated per square metre Power radiated per unit solid angle in that direction ANSWER DOWNLOAD EXAMIANS APP
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