3. A particular inductor has an iron core (2000) with a square cross section 1 cm on a side. If the magnetic flux density in the inductor is 0.2 T, the magnetic flux is most nearly: A. B. C. D. E. F. G. None of these answers are correct to within +/- 10% 4. Which of the following fundamental principles of electromagnetism can be used to calculate the magnetic field intensity in a wound stator such as those used in AC and DC motors? A. Faraday's Law B. Gauss's Law C. Ampere's Law D. Gauss's Law for Magnetic Fields E. The Lawson Criterion

Fig: 1