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) Zero. PR/d2. PR/d. PR 2/d3. Zero. PR/d2. PR/d. PR 2/d3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is straight line. parabola. hyperbola. ellipse. straight line. parabola. hyperbola. ellipse. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 1 A/m. 8 A/m. 2 A/m. 4 A/m. 1 A/m. 8 A/m. 2 A/m. 4 A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is 8. 3. 4. 2. 8. 3. 4. 2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem, if the inductance L1 and L2 in series aiding with 30 mH mutual inductance, then total inductance will be 150 mH. 50 mH. 100 mH. 200 mH. 150 mH. 50 mH. 100 mH. 200 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R) QD. Q√(R2 + d2). QR2/d. QR. QD. Q√(R2 + d2). QR2/d. QR. ANSWER DOWNLOAD EXAMIANS APP
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