Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 2 mA. 1.5 mA. 2.5 mA. 1mA. 2 mA. 1.5 mA. 2.5 mA. 1mA. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency range for satellite communication is 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 3 to 30 kHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is zero. decreasing towards centre. none of above. increasing towards centre. zero. decreasing towards centre. none of above. increasing towards centre. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 7.5 N. 20 N. 3.75 N. 15 N. 7.5 N. 20 N. 3.75 N. 15 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of all flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 1.0. Zero. 0.5. 2.0. 1.0. Zero. 0.5. 2.0. ANSWER DOWNLOAD EXAMIANS APP