19.2 The Curl of b The fourth Maxwell equation VXB-uoJf +Je);(steady) should be generalized with the currents Jf+Je re- placed by the total current Jt V×B=p40Jt OP 10(J+60aE++V×M) 0 (Jm+0。E) at or. rewritten as V×B-10∈0aE=p0Jm