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 uy N. 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. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is highest in periods of greatest sunspot activity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and (A), (B), and (D) are all correct. surface current only. filament current only. volume current only. (A), (B), and (D) are all correct. surface current only. filament current only. volume current only. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is – 2 ux. 0. – uy. 2 ux. – 2 ux. 0. – uy. 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Midway between two equal and similar charges, a third equal and similar charge is placed, then this third charge will remain in stable equilibrium. be in unstable equilibrium. will move out of the field of influence of two charges. not be equilibrium. remain in stable equilibrium. be in unstable equilibrium. will move out of the field of influence of two charges. not be equilibrium. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Faraday Maxwell Fleming Lenz Faraday Maxwell Fleming Lenz ANSWER DOWNLOAD EXAMIANS APP