Electromagnetic Field Theory A potential field is given by V = 3x2 y – yz. The electric field at P(2, -1, 4) is 12 Ix - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - 8 Iy - Iz V/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is decreasing towards centre. increasing towards centre. none of above. zero. decreasing towards centre. increasing towards centre. none of above. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency range for satellite communication is 3 to 30 kHz 300 to 3000 kHz 3000 to 30000 MHz 30000 to 300000 MHz 3 to 30 kHz 300 to 3000 kHz 3000 to 30000 MHz 30000 to 300000 MHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position 5 × 10-5 uz N. - 5 × 10-5 uy N. 5 × 10-5 ux N. 5 × 10-5 uy N. 5 × 10-5 uz N. - 5 × 10-5 uy N. 5 × 10-5 ux N. 5 × 10-5 uy N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 32 A / s. 4 A / s. 16 A / s. 64 A / s. 32 A / s. 4 A / s. 16 A / s. 64 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ = μσ. ∈ is zero. ∈ = μ. ∈ is a scalar constant. ∈ = μσ. ∈ is zero. ∈ = μ. ∈ is a scalar constant. ANSWER DOWNLOAD EXAMIANS APP
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