電磁學期中考

(14%)1.Is (A•B)C equal to A (B•C) ? (5%) Explain.(9%)

            (16%)2.Given A=ax4+ay2+az, and (a)A•B,(b) A×B.

          (15 %)3 .What is electromagntics?

             (20%)4.What are the four fundamental field quantities in the electromagnetic model?

              (15%)5.What are metric coefficient?

(20%)6.Three vectors A, B, and C, drawn in a head-to-tail fashion, form three sides of a triangle. What is A+B-C? (5%)Explain .(15%)