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/d. PR 2/d3. Zero. PR/d2. PR/d. PR 2/d3. Zero. PR/d2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite non conducting sheet of charge has σ of 10-7 c/m3. Equipotential surface for a potential of 10 volts is. 1.32 mm. 0.88 mm. 1.77 mm. 0. 1.32 mm. 0.88 mm. 1.77 mm. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon None of these The direction of the conductor The value of current The weight of the conductor None of these The direction of the conductor The value of current The weight of the conductor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω / π. ω. ω/4π. ω/2π. ω / π. ω. ω/4π. ω/2π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a open circuit. depends on polarity. depends on magnitude of voltage. short circuit. open circuit. depends on polarity. depends on magnitude of voltage. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A negative point charge q = - 40 nC is moving with velocity of 6 × 106 m/s in a direction specited by unit vector uy + 0.6 uz. Find the magnitude of force vector on the moving particle by the field B = 2 ux + 3 uy + 5 uz mT and E = 2 ux - 3 uy + 5 uz KV/m 244 μN. 1440 μN. 1144 μN. 144 μN. 244 μN. 1440 μN. 1144 μN. 144 μN. ANSWER DOWNLOAD EXAMIANS APP