Electromagnetic Field Theory XEROX machine is working on peltier effect. magnetic effect. heating effect of current. electrostatic effect. peltier effect. magnetic effect. heating effect of current. electrostatic effect. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called both A and B. static induced emf. None of these dynamically induced emf. both A and B. static induced emf. None of these dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 600. 150. 300. 450. 600. 150. 300. 450. 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 – uy. 2 ux. 0. – 2 ux. – uy. 2 ux. 0. – 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and volume current only. surface current only. filament current only. (A), (B), and (D) are all correct. volume current only. surface current only. filament current only. (A), (B), and (D) are all correct. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 5. 50. 10. 20. 5. 50. 10. 20. ANSWER DOWNLOAD EXAMIANS APP
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