Electromagnetic Field Theory XEROX machine is working on electrostatic effect. magnetic effect. peltier effect. heating effect of current. electrostatic effect. magnetic effect. peltier effect. heating effect of current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very low Very high Zero Infinite Very low Very high Zero Infinite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere Qr/(4 π εo R3). 3 Qr/(4 π εo R3). Q/(4 π εo r3). QR/(4π εo r3). Qr/(4 π εo R3). 3 Qr/(4 π εo R3). Q/(4 π εo r3). QR/(4π εo r3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Infinity. Depends on strength of current element. Zero. Unity. Infinity. Depends on strength of current element. Zero. Unity. 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 3.75 N. 7.5 N. 20 N. 15 N. 3.75 N. 7.5 N. 20 N. 15 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.5 J. 1.15 J. 0.15 J. 0.015 J. 0.5 J. 1.15 J. 0.15 J. 0.015 J. ANSWER DOWNLOAD EXAMIANS APP
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